1061605216 has 48 divisors (see below), whose sum is σ = 2394524160. Its totient is φ = 453847680.

The previous prime is 1061605213. The next prime is 1061605219. The reversal of 1061605216 is 6125061601.

It is an interprime number because it is at equal distance from previous prime (1061605213) and next prime (1061605219).

It is a super-2 number, since 2×1061605216² = 2254011269276813312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061605213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88201 + ... + 99511.

It is an arithmetic number, because the mean of its divisors is an integer number (49885920).

Almost surely, 2^1061605216 is an apocalyptic number.

1061605216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061605216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197262080).

1061605216 is an abundant number, since it is smaller than the sum of its proper divisors (1332918944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061605216 is a wasteful number, since it uses less digits than its factorization.

1061605216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11747 (or 11739 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1061605216 is about 32582.2837750824. The cubic root of 1061605216 is about 1020.1272479976.

Adding to 1061605216 its reverse (6125061601), we get a palindrome (7186666817).

The spelling of 1061605216 in words is "one billion, sixty-one million, six hundred five thousand, two hundred sixteen".