158979682 has 16 divisors (see below), whose sum is σ = 261205560. Its totient is φ = 72233728.

The previous prime is 158979659. The next prime is 158979683. The reversal of 158979682 is 286979851.

It can be written as a sum of positive squares in 4 ways, for example, as 119049921 + 39929761 = 10911^2 + 6319^2 .

It is a super-2 number, since 2×158979682² = 50549078577642248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158979683) 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, 79633 + ... + 81604.

Almost surely, 2^158979682 is an apocalyptic number.

158979682 is a deficient number, since it is larger than the sum of its proper divisors (102225878).

158979682 is a wasteful number, since it uses less digits than its factorization.

158979682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161285.

The product of its digits is 2177280, while the sum is 55.

The square root of 158979682 is about 12608.7145260728. The cubic root of 158979682 is about 541.7270744569.

The spelling of 158979682 in words is "one hundred fifty-eight million, nine hundred seventy-nine thousand, six hundred eighty-two".