157984561832 has 16 divisors (see below), whose sum is σ = 302523629760. Its totient is φ = 77311593904.

The previous prime is 157984561829. The next prime is 157984561907. The reversal of 157984561832 is 238165489751.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210085478 + ... + 210086229.

It is an arithmetic number, because the mean of its divisors is an integer number (18907726860).

Almost surely, 2^157984561832 is an apocalyptic number.

It is an amenable number.

157984561832 is a deficient number, since it is larger than the sum of its proper divisors (144539067928).

157984561832 is a wasteful number, since it uses less digits than its factorization.

157984561832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420171760 (or 420171756 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 59.

The spelling of 157984561832 in words is "one hundred fifty-seven billion, nine hundred eighty-four million, five hundred sixty-one thousand, eight hundred thirty-two".