10157657 has 4 divisors (see below), whose sum is σ = 10164096. Its totient is φ = 10151220.

The previous prime is 10157639. The next prime is 10157663. The reversal of 10157657 is 75675101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10157657 - 2¹⁴ = 10141273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10151657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932 + ... + 4602.

It is an arithmetic number, because the mean of its divisors is an integer number (2541024).

Almost surely, 2^10157657 is an apocalyptic number.

It is an amenable number.

10157657 is a deficient number, since it is larger than the sum of its proper divisors (6439).

10157657 is an equidigital number, since it uses as much as digits as its factorization.

10157657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 10157657 is about 3187.1079366724. The cubic root of 10157657 is about 216.5697762708.

The spelling of 10157657 in words is "ten million, one hundred fifty-seven thousand, six hundred fifty-seven".