64326366 has 64 divisors (see below), whose sum is σ = 157597440. Its totient is φ = 19323360.

The previous prime is 64326349. The next prime is 64326373. The reversal of 64326366 is 66362346.

64326366 is a `hidden beast` number, since 643 + 2 + 6 + 3 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 64326366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29121 + ... + 31251.

It is an arithmetic number, because the mean of its divisors is an integer number (2462460).

Almost surely, 2^64326366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64326366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78798720).

64326366 is an abundant number, since it is smaller than the sum of its proper divisors (93271074).

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

64326366 is a wasteful number, since it uses less digits than its factorization.

64326366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2198 (or 2192 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 64326366 is about 8020.3719365127. The cubic root of 64326366 is about 400.6787766707.

The spelling of 64326366 in words is "sixty-four million, three hundred twenty-six thousand, three hundred sixty-six".