158910421932 has 36 divisors (see below), whose sum is σ = 404154605400. Its totient is φ = 52645168512.

The previous prime is 158910421927. The next prime is 158910422003. The reversal of 158910421932 is 239124019851.

158910421932 is a `hidden beast` number, since 1 + 58 + 91 + 0 + 421 + 93 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×158910421932² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13534557 + ... + 13546292.

Almost surely, 2^158910421932 is an apocalyptic number.

158910421932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158910421932 is an abundant number, since it is smaller than the sum of its proper divisors (245244183468).

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

158910421932 is a wasteful number, since it uses less digits than its factorization.

158910421932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27081022 (or 27081017 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 158910421932 in words is "one hundred fifty-eight billion, nine hundred ten million, four hundred twenty-one thousand, nine hundred thirty-two".