158918656 has 96 divisors (see below), whose sum is σ = 352235520. Its totient is φ = 71221248.

The previous prime is 158918653. The next prime is 158918671. The reversal of 158918656 is 656819851.

It is not an unprimeable number, because it can be changed into a prime (158918653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1251265 + ... + 1251391.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^158918656 is an apocalyptic number.

158918656 is a gapful number since it is divisible by the number (16) 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 158918656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176117760).

158918656 is an abundant number, since it is smaller than the sum of its proper divisors (193316864).

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

158918656 is a wasteful number, since it uses less digits than its factorization.

158918656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 189 counting only the distinct ones).

The product of its digits is 518400, while the sum is 49.

The square root of 158918656 is about 12606.2943008642. The cubic root of 158918656 is about 541.6577497336.

The spelling of 158918656 in words is "one hundred fifty-eight million, nine hundred eighteen thousand, six hundred fifty-six".