158970564 has 54 divisors (see below), whose sum is σ = 407376606. Its totient is φ = 52270080.

The previous prime is 158970551. The next prime is 158970631. The reversal of 158970564 is 465079851.

158970564 is a `hidden beast` number, since 1 + 5 + 89 + 7 + 0 + 564 = 666.

158970564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155002500 + 3968064 = 12450^2 + 1992^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 247684 + ... + 248324.

Almost surely, 2^158970564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158970564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203688303).

158970564 is an abundant number, since it is smaller than the sum of its proper divisors (248406042).

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

158970564 is a wasteful number, since it uses less digits than its factorization.

158970564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 158970564 is about 12608.3529455675. The cubic root of 158970564 is about 541.7167176578.

The spelling of 158970564 in words is "one hundred fifty-eight million, nine hundred seventy thousand, five hundred sixty-four".