64326164 has 48 divisors (see below), whose sum is σ = 138321792. Its totient is φ = 25546752.

The previous prime is 64326161. The next prime is 64326169. The reversal of 64326164 is 46162346.

It is a self number, because there is not a number n which added to its sum of digits gives 64326164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64326161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30884 + ... + 32900.

It is an arithmetic number, because the mean of its divisors is an integer number (2881704).

Almost surely, 2^64326164 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 64326164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69160896).

64326164 is an abundant number, since it is smaller than the sum of its proper divisors (73995628).

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

64326164 is a wasteful number, since it uses less digits than its factorization.

64326164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2110 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 64326164 is about 8020.3593435706. The cubic root of 64326164 is about 400.6783572616.

The spelling of 64326164 in words is "sixty-four million, three hundred twenty-six thousand, one hundred sixty-four".