1056700656 has 120 divisors (see below), whose sum is σ = 3396032640. Its totient is φ = 303350400.

The previous prime is 1056700643. The next prime is 1056700741. The reversal of 1056700656 is 6560076501.

It is a happy number.

It is a super-2 number, since 2×1056700656² = 2233232552781660672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1056700656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12541 + ... + 47651.

It is an arithmetic number, because the mean of its divisors is an integer number (28300272).

Almost surely, 2^1056700656 is an apocalyptic number.

1056700656 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 1056700656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1698016320).

1056700656 is an abundant number, since it is smaller than the sum of its proper divisors (2339331984).

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

1056700656 is a wasteful number, since it uses less digits than its factorization.

1056700656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35155 (or 35146 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 1056700656 is about 32506.9324298679. The cubic root of 1056700656 is about 1018.5538444974.

The spelling of 1056700656 in words is "one billion, fifty-six million, seven hundred thousand, six hundred fifty-six".