158318165434 has 32 divisors (see below), whose sum is σ = 281124043200. Its totient is φ = 65920108800.

The previous prime is 158318165387. The next prime is 158318165459. The reversal of 158318165434 is 434561813851.

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, 2075359 + ... + 2150290.

It is an arithmetic number, because the mean of its divisors is an integer number (8785126350).

Almost surely, 2^158318165434 is an apocalyptic number.

158318165434 is a deficient number, since it is larger than the sum of its proper divisors (122805877766).

158318165434 is a wasteful number, since it uses less digits than its factorization.

158318165434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4225806.

The product of its digits is 1382400, while the sum is 49.

The spelling of 158318165434 in words is "one hundred fifty-eight billion, three hundred eighteen million, one hundred sixty-five thousand, four hundred thirty-four".