1071061216 has 24 divisors (see below), whose sum is σ = 2134062504. Its totient is φ = 529077120.

The previous prime is 1071061181. The next prime is 1071061247. The reversal of 1071061216 is 6121601701.

It is a happy number.

It is a super-2 number, since 2×1071061216² = 2294344256838797312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 198975 + ... + 204286.

It is an arithmetic number, because the mean of its divisors is an integer number (88919271).

Almost surely, 2^1071061216 is an apocalyptic number.

1071061216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1071061216 is a deficient number, since it is larger than the sum of its proper divisors (1063001288).

1071061216 is an equidigital number, since it uses as much as digits as its factorization.

1071061216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403354 (or 403346 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1071061216 is about 32727.0716074628. The cubic root of 1071061216 is about 1023.1471475534.

Adding to 1071061216 its reverse (6121601701), we get a palindrome (7192662917).

The spelling of 1071061216 in words is "one billion, seventy-one million, sixty-one thousand, two hundred sixteen".