157585583172 has 48 divisors (see below), whose sum is σ = 380784096000. Its totient is φ = 50688764448.

The previous prime is 157585583131. The next prime is 157585583191. The reversal of 157585583172 is 271385585751.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1796922 + ... + 1882577.

It is an arithmetic number, because the mean of its divisors is an integer number (7933002000).

Almost surely, 2^157585583172 is an apocalyptic number.

157585583172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157585583172 is an abundant number, since it is smaller than the sum of its proper divisors (223198512828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157585583172 is a wasteful number, since it uses less digits than its factorization.

157585583172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679632 (or 3679630 counting only the distinct ones).

The product of its digits is 11760000, while the sum is 57.

The spelling of 157585583172 in words is "one hundred fifty-seven billion, five hundred eighty-five million, five hundred eighty-three thousand, one hundred seventy-two".