1056212664 has 32 divisors (see below), whose sum is σ = 2843650320. Its totient is φ = 324988416.

The previous prime is 1056212657. The next prime is 1056212671. The reversal of 1056212664 is 4662126501.

It is an interprime number because it is at equal distance from previous prime (1056212657) and next prime (1056212671).

It is a super-2 number, since 2×1056212664² = 2231170383187953792, 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 7 ways as a sum of consecutive naturals, for example, 1692337 + ... + 1692960.

Almost surely, 2^1056212664 is an apocalyptic number.

It is an amenable number.

1056212664 is an abundant number, since it is smaller than the sum of its proper divisors (1787437656).

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

1056212664 is a wasteful number, since it uses less digits than its factorization.

1056212664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385319 (or 3385315 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1056212664 is about 32499.4255949240. The cubic root of 1056212664 is about 1018.3970285131.

The spelling of 1056212664 in words is "one billion, fifty-six million, two hundred twelve thousand, six hundred sixty-four".