1057646885 has 16 divisors (see below), whose sum is σ = 1289665152. Its totient is φ = 832507200.

The previous prime is 1057646879. The next prime is 1057646899. The reversal of 1057646885 is 5886467501.

1057646885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1057646885 - 2⁴ = 1057646869 is a prime.

It is a super-2 number, since 2×1057646885² = 2237233866700406450, which contains 22 as substring.

It is a Duffinian number.

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, 189302 + ... + 194808.

It is an arithmetic number, because the mean of its divisors is an integer number (80604072).

Almost surely, 2^1057646885 is an apocalyptic number.

It is an amenable number.

1057646885 is a deficient number, since it is larger than the sum of its proper divisors (232018267).

1057646885 is an equidigital number, since it uses as much as digits as its factorization.

1057646885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 1057646885 is about 32521.4834378753. The cubic root of 1057646885 is about 1018.8577771982.

The spelling of 1057646885 in words is "one billion, fifty-seven million, six hundred forty-six thousand, eight hundred eighty-five".