157672072534 has 16 divisors (see below), whose sum is σ = 236763191808. Its totient is φ = 78751049832.

The previous prime is 157672072513. The next prime is 157672072543. The reversal of 157672072534 is 435270276751.

It is a congruent number.

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, 10202217 + ... + 10217659.

It is an arithmetic number, because the mean of its divisors is an integer number (14797699488).

Almost surely, 2^157672072534 is an apocalyptic number.

157672072534 is a deficient number, since it is larger than the sum of its proper divisors (79091119274).

157672072534 is a wasteful number, since it uses less digits than its factorization.

157672072534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20619.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 157672072534 in words is "one hundred fifty-seven billion, six hundred seventy-two million, seventy-two thousand, five hundred thirty-four".