326158164 has 60 divisors (see below), whose sum is σ = 854345184. Its totient is φ = 108502416.

The previous prime is 326158159. The next prime is 326158177. The reversal of 326158164 is 461851623.

It is a happy number.

326158164 is a `hidden beast` number, since 32 + 615 + 8 + 1 + 6 + 4 = 666.

326158164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 306297 + ... + 307359.

Almost surely, 2^326158164 is an apocalyptic number.

It is an amenable number.

326158164 is an abundant number, since it is smaller than the sum of its proper divisors (528187020).

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

326158164 is a wasteful number, since it uses less digits than its factorization.

326158164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2015 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 326158164 is about 18059.8495010341. The cubic root of 326158164 is about 688.3501603382.

It can be divided in two parts, 3261 and 58164, that added together give a triangular number (61425 = T₃₅₀).

The spelling of 326158164 in words is "three hundred twenty-six million, one hundred fifty-eight thousand, one hundred sixty-four".