158164564 has 12 divisors (see below), whose sum is σ = 276933888. Its totient is φ = 79040600.

The previous prime is 158164519. The next prime is 158164571. The reversal of 158164564 is 465461851.

158164564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 922 + ... + 17809.

It is an arithmetic number, because the mean of its divisors is an integer number (23077824).

Almost surely, 2^158164564 is an apocalyptic number.

It is an amenable number.

158164564 is a deficient number, since it is larger than the sum of its proper divisors (118769324).

158164564 is a wasteful number, since it uses less digits than its factorization.

158164564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20846 (or 20844 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 158164564 is about 12576.3493908209. The cubic root of 158164564 is about 540.7996429059.

The spelling of 158164564 in words is "one hundred fifty-eight million, one hundred sixty-four thousand, five hundred sixty-four".