65994264 has 80 divisors (see below), whose sum is σ = 211266000. Its totient is φ = 18854208.

The previous prime is 65994233. The next prime is 65994311. The reversal of 65994264 is 46249956.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2739 + ... + 11810.

It is an arithmetic number, because the mean of its divisors is an integer number (2640825).

Almost surely, 2^65994264 is an apocalyptic number.

It is an amenable number.

65994264 is an abundant number, since it is smaller than the sum of its proper divisors (145271736).

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

65994264 is a wasteful number, since it uses less digits than its factorization.

65994264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574 (or 14561 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 65994264 is about 8123.6853705692. The cubic root of 65994264 is about 404.1122943732.

The spelling of 65994264 in words is "sixty-five million, nine hundred ninety-four thousand, two hundred sixty-four".