158731916 has 12 divisors (see below), whose sum is σ = 317463888. Its totient is φ = 68027952.

The previous prime is 158731861. The next prime is 158731921. The reversal of 158731916 is 619137851.

158731916 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 2834471 + ... + 2834526.

It is an arithmetic number, because the mean of its divisors is an integer number (26455324).

Almost surely, 2^158731916 is an apocalyptic number.

It is an amenable number.

158731916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158731916 is a wasteful number, since it uses less digits than its factorization.

158731916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669008 (or 5669006 counting only the distinct ones).

The product of its digits is 45360, while the sum is 41.

The square root of 158731916 is about 12598.8855062660. The cubic root of 158731916 is about 541.4455052734.

The spelling of 158731916 in words is "one hundred fifty-eight million, seven hundred thirty-one thousand, nine hundred sixteen".