157240718564 has 24 divisors (see below), whose sum is σ = 285954144000. Its totient is φ = 75573577440.

The previous prime is 157240718539. The next prime is 157240718573. The reversal of 157240718564 is 465817042751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4236794 + ... + 4273745.

It is an arithmetic number, because the mean of its divisors is an integer number (11914756000).

Almost surely, 2^157240718564 is an apocalyptic number.

It is an amenable number.

157240718564 is a deficient number, since it is larger than the sum of its proper divisors (128713425436).

157240718564 is a wasteful number, since it uses less digits than its factorization.

157240718564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510723 (or 8510721 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 50.

The spelling of 157240718564 in words is "one hundred fifty-seven billion, two hundred forty million, seven hundred eighteen thousand, five hundred sixty-four".