1056236664 has 64 divisors (see below), whose sum is σ = 3020428800. Its totient is φ = 301521024.

The previous prime is 1056236627. The next prime is 1056236677. The reversal of 1056236664 is 4666326501.

It is a super-2 number, since 2×1056236664² = 2231271780755697792, 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 15 ways as a sum of consecutive naturals, for example, 278509 + ... + 282275.

It is an arithmetic number, because the mean of its divisors is an integer number (47194200).

Almost surely, 2^1056236664 is an apocalyptic number.

1056236664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1056236664 is an abundant number, since it is smaller than the sum of its proper divisors (1964192136).

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

1056236664 is a wasteful number, since it uses less digits than its factorization.

1056236664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5452 (or 5448 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 1056236664 is about 32499.7948301216. The cubic root of 1056236664 is about 1018.4047420303.

The spelling of 1056236664 in words is "one billion, fifty-six million, two hundred thirty-six thousand, six hundred sixty-four".