1657159713 has 12 divisors (see below), whose sum is σ = 2611282128. Its totient is φ = 1004339160.

The previous prime is 1657159697. The next prime is 1657159717. The reversal of 1657159713 is 3179517561.

1657159713 is a `hidden beast` number, since 1 + 6 + 57 + 1 + 597 + 1 + 3 = 666.

It is not a de Polignac number, because 1657159713 - 2⁴ = 1657159697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1657159717) 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, 8369395 + ... + 8369592.

It is an arithmetic number, because the mean of its divisors is an integer number (217606844).

Almost surely, 2^1657159713 is an apocalyptic number.

It is an amenable number.

1657159713 is a deficient number, since it is larger than the sum of its proper divisors (954122415).

1657159713 is a wasteful number, since it uses less digits than its factorization.

1657159713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16739004 (or 16739001 counting only the distinct ones).

The product of its digits is 198450, while the sum is 45.

The square root of 1657159713 is about 40708.2266010201. The cubic root of 1657159713 is about 1183.3724534754.

The spelling of 1657159713 in words is "one billion, six hundred fifty-seven million, one hundred fifty-nine thousand, seven hundred thirteen".