158663872 has 28 divisors (see below), whose sum is σ = 325709280. Its totient is φ = 76595456.

The previous prime is 158663863. The next prime is 158663893. The reversal of 158663872 is 278366851.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40888 + ... + 44599.

Almost surely, 2^158663872 is an apocalyptic number.

It is an amenable number.

158663872 is an abundant number, since it is smaller than the sum of its proper divisors (167045408).

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

158663872 is an equidigital number, since it uses as much as digits as its factorization.

158663872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85528 (or 85518 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 158663872 is about 12596.1848192220. The cubic root of 158663872 is about 541.3681266244.

The spelling of 158663872 in words is "one hundred fifty-eight million, six hundred sixty-three thousand, eight hundred seventy-two".