1061716656 has 320 divisors, whose sum is σ = 3879751680. Its totient is φ = 240952320.

The previous prime is 1061716627. The next prime is 1061716681. The reversal of 1061716656 is 6566171601.

It is a super-2 number, since 2×1061716656² = 2254484515255644672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 912331 + ... + 913493.

It is an arithmetic number, because the mean of its divisors is an integer number (12124224).

Almost surely, 2^1061716656 is an apocalyptic number.

1061716656 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 1061716656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1939875840).

1061716656 is an abundant number, since it is smaller than the sum of its proper divisors (2818035024).

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

1061716656 is a wasteful number, since it uses less digits than its factorization.

1061716656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1061716656 is about 32583.9938620176. The cubic root of 1061716656 is about 1020.1629420583.

It can be divided in two parts, 1061 and 716656, that added together give a palindrome (717717).

The spelling of 1061716656 in words is "one billion, sixty-one million, seven hundred sixteen thousand, six hundred fifty-six".