158636964 has 12 divisors (see below), whose sum is σ = 370152944. Its totient is φ = 52878984.

The previous prime is 158636941. The next prime is 158636981. The reversal of 158636964 is 469636851.

158636964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6609862 + ... + 6609885.

Almost surely, 2^158636964 is an apocalyptic number.

It is an amenable number.

158636964 is an abundant number, since it is smaller than the sum of its proper divisors (211515980).

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

158636964 is a wasteful number, since it uses less digits than its factorization.

158636964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219754 (or 13219752 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 158636964 is about 12595.1166727427. The cubic root of 158636964 is about 541.3375211334.

The spelling of 158636964 in words is "one hundred fifty-eight million, six hundred thirty-six thousand, nine hundred sixty-four".