325361664 has 112 divisors (see below), whose sum is σ = 964631040. Its totient is φ = 108380160.

The previous prime is 325361639. The next prime is 325361713. The reversal of 325361664 is 466163523.

325361664 is a `hidden beast` number, since 32 + 5 + 3 + 616 + 6 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220449 + ... + 221919.

Almost surely, 2^325361664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325361664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482315520).

325361664 is an abundant number, since it is smaller than the sum of its proper divisors (639269376).

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

325361664 is an equidigital number, since it uses as much as digits as its factorization.

325361664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506 (or 1476 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 325361664 is about 18037.7843428732. The cubic root of 325361664 is about 687.7893712544.

The spelling of 325361664 in words is "three hundred twenty-five million, three hundred sixty-one thousand, six hundred sixty-four".