65326464 has 96 divisors (see below), whose sum is σ = 214865040. Its totient is φ = 18662400.

The previous prime is 65326453. The next prime is 65326477. The reversal of 65326464 is 46462356.

65326464 is a `hidden beast` number, since 6 + 5 + 3 + 2 + 646 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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 11 ways as a sum of consecutive naturals, for example, 4014 + ... + 12114.

Almost surely, 2^65326464 is an apocalyptic number.

65326464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65326464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107432520).

65326464 is an abundant number, since it is smaller than the sum of its proper divisors (149538576).

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

65326464 is a wasteful number, since it uses less digits than its factorization.

65326464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8128 (or 8113 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 65326464 is about 8082.4788276865. The cubic root of 65326464 is about 402.7445916368.

It can be divided in two parts, 6532 and 6464, that added together give a square (12996 = 114²).

The spelling of 65326464 in words is "sixty-five million, three hundred twenty-six thousand, four hundred sixty-four".