157094737657 has 48 divisors (see below), whose sum is σ = 199390705920. Its totient is φ = 122500984320.

The previous prime is 157094737643. The next prime is 157094737687. The reversal of 157094737657 is 756737490751.

It is a de Polignac number, because none of the positive numbers 2^k-157094737657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157094737595 and 157094737604.

It is not an unprimeable number, because it can be changed into a prime (157094737607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2075358 + ... + 2149720.

It is an arithmetic number, because the mean of its divisors is an integer number (4153973040).

Almost surely, 2^157094737657 is an apocalyptic number.

157094737657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

157094737657 is a deficient number, since it is larger than the sum of its proper divisors (42295968263).

157094737657 is a wasteful number, since it uses less digits than its factorization.

157094737657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74494 (or 74483 counting only the distinct ones).

The product of its (nonzero) digits is 38896200, while the sum is 61.

The spelling of 157094737657 in words is "one hundred fifty-seven billion, ninety-four million, seven hundred thirty-seven thousand, six hundred fifty-seven".