158623916 has 48 divisors (see below), whose sum is σ = 323785728. Its totient is φ = 67267200.

The previous prime is 158623909. The next prime is 158623961. The reversal of 158623916 is 619326851.

158623916 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

158623916 is strictly pandigital in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39581 + ... + 43403.

It is an arithmetic number, because the mean of its divisors is an integer number (6745536).

Almost surely, 2^158623916 is an apocalyptic number.

It is an amenable number.

158623916 is an abundant number, since it is smaller than the sum of its proper divisors (165161812).

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

158623916 is a wasteful number, since it uses less digits than its factorization.

158623916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902 (or 3900 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 158623916 is about 12594.5986835627. The cubic root of 158623916 is about 541.3226789313.

The spelling of 158623916 in words is "one hundred fifty-eight million, six hundred twenty-three thousand, nine hundred sixteen".