157930167520 has 96 divisors (see below), whose sum is σ = 394392499200. Its totient is φ = 59596540416.

The previous prime is 157930167517. The next prime is 157930167553. The reversal of 157930167520 is 25761039751.

It is a happy number.

It is a congruent number.

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, 617877 + ... + 835243.

It is an arithmetic number, because the mean of its divisors is an integer number (4108255200).

Almost surely, 2^157930167520 is an apocalyptic number.

157930167520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157930167520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197196249600).

157930167520 is an abundant number, since it is smaller than the sum of its proper divisors (236462331680).

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

157930167520 is a wasteful number, since it uses less digits than its factorization.

157930167520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217640 (or 217632 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 46.

The spelling of 157930167520 in words is "one hundred fifty-seven billion, nine hundred thirty million, one hundred sixty-seven thousand, five hundred twenty".