1057805164 has 48 divisors (see below), whose sum is σ = 2138179680. Its totient is φ = 453772800.

The previous prime is 1057805143. The next prime is 1057805197. The reversal of 1057805164 is 4615087501.

It is a super-2 number, since 2×1057805164² = 2237903529970133792, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 42264 + ... + 62464.

It is an arithmetic number, because the mean of its divisors is an integer number (44545410).

Almost surely, 2^1057805164 is an apocalyptic number.

It is an amenable number.

1057805164 is an abundant number, since it is smaller than the sum of its proper divisors (1080374516).

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

1057805164 is a wasteful number, since it uses less digits than its factorization.

1057805164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20290 (or 20288 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 1057805164 is about 32523.9167997952. The cubic root of 1057805164 is about 1018.9085993736.

The spelling of 1057805164 in words is "one billion, fifty-seven million, eight hundred five thousand, one hundred sixty-four".