158631832464 has 120 divisors (see below), whose sum is σ = 477086607360. Its totient is φ = 45287085312.

The previous prime is 158631832459. The next prime is 158631832477. The reversal of 158631832464 is 464238136851.

158631832464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158631832464² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2981842 + ... + 3034574.

It is an arithmetic number, because the mean of its divisors is an integer number (3975721728).

Almost surely, 2^158631832464 is an apocalyptic number.

158631832464 is a gapful number since it is divisible by the number (14) 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 158631832464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238543303680).

158631832464 is an abundant number, since it is smaller than the sum of its proper divisors (318454774896).

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

158631832464 is a wasteful number, since it uses less digits than its factorization.

158631832464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54037 (or 54024 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The spelling of 158631832464 in words is "one hundred fifty-eight billion, six hundred thirty-one million, eight hundred thirty-two thousand, four hundred sixty-four".