157319991487932 has 192 divisors, whose sum is σ = 464098284969984. Its totient is φ = 40361171235840.

The previous prime is 157319991487903. The next prime is 157319991487973. The reversal of 157319991487932 is 239784199913751.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 194059957 + ... + 194868947.

It is an arithmetic number, because the mean of its divisors is an integer number (2417178567552).

Almost surely, 2^{157319991487932} is an apocalyptic number.

157319991487932 is a gapful number since it is divisible by the number (12) 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 157319991487932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232049142484992).

157319991487932 is an abundant number, since it is smaller than the sum of its proper divisors (306778293482052).

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

157319991487932 is a wasteful number, since it uses less digits than its factorization.

157319991487932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813868 (or 813866 counting only the distinct ones).

The product of its digits is 925888320, while the sum is 78.

The spelling of 157319991487932 in words is "one hundred fifty-seven trillion, three hundred nineteen billion, nine hundred ninety-one million, four hundred eighty-seven thousand, nine hundred thirty-two".