158689604 has 12 divisors (see below), whose sum is σ = 289781184. Its totient is φ = 75894984.

The previous prime is 158689603. The next prime is 158689631. The reversal of 158689604 is 406986851.

158689604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (158689603) by changing a digit.

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, 862352 + ... + 862535.

It is an arithmetic number, because the mean of its divisors is an integer number (24148432).

Almost surely, 2^158689604 is an apocalyptic number.

It is an amenable number.

158689604 is a deficient number, since it is larger than the sum of its proper divisors (131091580).

158689604 is a wasteful number, since it uses less digits than its factorization.

158689604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724914 (or 1724912 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 158689604 is about 12597.2061982013. The cubic root of 158689604 is about 541.3973912819.

The spelling of 158689604 in words is "one hundred fifty-eight million, six hundred eighty-nine thousand, six hundred four".