157213310172 has 48 divisors (see below), whose sum is σ = 372368113152. Its totient is φ = 51613689600.

The previous prime is 157213310087. The next prime is 157213310173. The reversal of 157213310172 is 271013312751.

157213310172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157213310173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6380308 + ... + 6404900.

It is an arithmetic number, because the mean of its divisors is an integer number (7757669024).

Almost surely, 2^157213310172 is an apocalyptic number.

157213310172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157213310172 is an abundant number, since it is smaller than the sum of its proper divisors (215154802980).

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

157213310172 is a wasteful number, since it uses less digits than its factorization.

157213310172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32618 (or 32616 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The spelling of 157213310172 in words is "one hundred fifty-seven billion, two hundred thirteen million, three hundred ten thousand, one hundred seventy-two".