10657808357 has 12 divisors (see below), whose sum is σ = 12825372780. Its totient is φ = 8820254016.

The previous prime is 10657808353. The next prime is 10657808363. The reversal of 10657808357 is 75380875601.

It can be written as a sum of positive squares in 2 ways, for example, as 4447422721 + 6210385636 = 66689^2 + 78806^2 .

It is not a de Polignac number, because 10657808357 - 2² = 10657808353 is a prime.

It is a super-2 number, since 2×10657808357² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10657808353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3748688 + ... + 3751529.

It is an arithmetic number, because the mean of its divisors is an integer number (1068781065).

Almost surely, 2^10657808357 is an apocalyptic number.

It is an amenable number.

10657808357 is a deficient number, since it is larger than the sum of its proper divisors (2167564423).

10657808357 is an equidigital number, since it uses as much as digits as its factorization.

10657808357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500260 (or 7500253 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 10657808357 in words is "ten billion, six hundred fifty-seven million, eight hundred eight thousand, three hundred fifty-seven".