158073864 has 32 divisors (see below), whose sum is σ = 425584320. Its totient is φ = 48638016.

The previous prime is 158073857. The next prime is 158073889. The reversal of 158073864 is 468370851.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253012 + ... + 253635.

It is an arithmetic number, because the mean of its divisors is an integer number (13299510).

Almost surely, 2^158073864 is an apocalyptic number.

It is an amenable number.

158073864 is an abundant number, since it is smaller than the sum of its proper divisors (267510456).

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

158073864 is a wasteful number, since it uses less digits than its factorization.

158073864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506669 (or 506665 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 158073864 is about 12572.7428988268. The cubic root of 158073864 is about 540.6962486828.

The spelling of 158073864 in words is "one hundred fifty-eight million, seventy-three thousand, eight hundred sixty-four".