158660864 has 36 divisors (see below), whose sum is σ = 335340684. Its totient is φ = 74661888.

The previous prime is 158660851. The next prime is 158660869. The reversal of 158660864 is 468066851.

158660864 is digitally balanced in base 3, 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 2 ways, for example, as 120121600 + 38539264 = 10960^2 + 6208^2 .

It is not an unprimeable number, because it can be changed into a prime (158660869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13877 + ... + 22580.

It is an arithmetic number, because the mean of its divisors is an integer number (9315019).

Almost surely, 2^158660864 is an apocalyptic number.

It is an amenable number.

158660864 is an abundant number, since it is smaller than the sum of its proper divisors (176679820).

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

158660864 is an equidigital number, since it uses as much as digits as its factorization.

158660864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36490 (or 36476 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 158660864 is about 12596.0654174230. The cubic root of 158660864 is about 541.3647054599.

The spelling of 158660864 in words is "one hundred fifty-eight million, six hundred sixty thousand, eight hundred sixty-four".