326662164 has 36 divisors (see below), whose sum is σ = 826474740. Its totient is φ = 108789120.

The previous prime is 326662151. The next prime is 326662181. The reversal of 326662164 is 461266623.

It can be written as a sum of positive squares in 2 ways, for example, as 137874564 + 188787600 = 11742^2 + 13740^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44122 + ... + 50990.

Almost surely, 2^326662164 is an apocalyptic number.

It is an amenable number.

326662164 is an abundant number, since it is smaller than the sum of its proper divisors (499812576).

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

326662164 is a wasteful number, since it uses less digits than its factorization.

326662164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8200 (or 8195 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 326662164 is about 18073.7977193505. The cubic root of 326662164 is about 688.7045384424.

The spelling of 326662164 in words is "three hundred twenty-six million, six hundred sixty-two thousand, one hundred sixty-four".