1056433656 has 32 divisors (see below), whose sum is σ = 2655849600. Its totient is φ = 350175840.

The previous prime is 1056433643. The next prime is 1056433661. The reversal of 1056433656 is 6563346501.

It is a happy number.

It is a super-2 number, since 2×1056433656² = 2232104139059052672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118660 + ... + 127251.

It is an arithmetic number, because the mean of its divisors is an integer number (82995300).

Almost surely, 2^1056433656 is an apocalyptic number.

It is an amenable number.

1056433656 is an abundant number, since it is smaller than the sum of its proper divisors (1599415944).

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

1056433656 is a wasteful number, since it uses less digits than its factorization.

1056433656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246099 (or 246095 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 1056433656 is about 32502.8253541134. The cubic root of 1056433656 is about 1018.4680501641.

The spelling of 1056433656 in words is "one billion, fifty-six million, four hundred thirty-three thousand, six hundred fifty-six".