157064332657 has 24 divisors (see below), whose sum is σ = 163531116672. Its totient is φ = 150770743200.

The previous prime is 157064332651. The next prime is 157064332679. The reversal of 157064332657 is 756233460751.

It is a de Polignac number, because none of the positive numbers 2^k-157064332657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157064332657.

It is not an unprimeable number, because it can be changed into a prime (157064332651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127590232 + ... + 127591462.

It is an arithmetic number, because the mean of its divisors is an integer number (6813796528).

Almost surely, 2^157064332657 is an apocalyptic number.

It is an amenable number.

157064332657 is a deficient number, since it is larger than the sum of its proper divisors (6466784015).

157064332657 is an equidigital number, since it uses as much as digits as its factorization.

157064332657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 157064332657 in words is "one hundred fifty-seven billion, sixty-four million, three hundred thirty-two thousand, six hundred fifty-seven".