83158612 has 12 divisors (see below), whose sum is σ = 147994560. Its totient is φ = 40874456.

The previous prime is 83158609. The next prime is 83158627. The reversal of 83158612 is 21685138.

It is a congruent number.

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, 175948 + ... + 176419.

It is an arithmetic number, because the mean of its divisors is an integer number (12332880).

Almost surely, 2^83158612 is an apocalyptic number.

It is an amenable number.

83158612 is a deficient number, since it is larger than the sum of its proper divisors (64835948).

83158612 is a wasteful number, since it uses less digits than its factorization.

83158612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352430 (or 352428 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 83158612 is about 9119.1343887455. The cubic root of 83158612 is about 436.4847524860.

The spelling of 83158612 in words is "eighty-three million, one hundred fifty-eight thousand, six hundred twelve".