158516864 has 32 divisors (see below), whose sum is σ = 344507040. Its totient is φ = 72052480.

The previous prime is 158516863. The next prime is 158516903. The reversal of 158516864 is 468615851.

158516864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (158516863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54884 + ... + 57699.

It is an arithmetic number, because the mean of its divisors is an integer number (10765845).

Almost surely, 2^158516864 is an apocalyptic number.

It is an amenable number.

158516864 is an abundant number, since it is smaller than the sum of its proper divisors (185990176).

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

158516864 is a wasteful number, since it uses less digits than its factorization.

158516864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112608 (or 112596 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 158516864 is about 12590.3480492002. The cubic root of 158516864 is about 541.2008756999.

The spelling of 158516864 in words is "one hundred fifty-eight million, five hundred sixteen thousand, eight hundred sixty-four".