8158970952 has 72 divisors (see below), whose sum is σ = 24288698070. Its totient is φ = 2472412800.

The previous prime is 8158970947. The next prime is 8158970971. The reversal of 8158970952 is 2590798518.

8158970952 is a `hidden beast` number, since 8 + 1 + 589 + 7 + 0 + 9 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4793346756 + 3365624196 = 69234^2 + 58014^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 459549 + ... + 476972.

Almost surely, 2^8158970952 is an apocalyptic number.

It is an amenable number.

8158970952 is an abundant number, since it is smaller than the sum of its proper divisors (16129727118).

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

8158970952 is a wasteful number, since it uses less digits than its factorization.

8158970952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936555 (or 936537 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The square root of 8158970952 is about 90327.0222690862. The cubic root of 8158970952 is about 2013.1607862254.

The spelling of 8158970952 in words is "eight billion, one hundred fifty-eight million, nine hundred seventy thousand, nine hundred fifty-two".