65920014 has 32 divisors (see below), whose sum is σ = 150452640. Its totient is φ = 21378816.

The previous prime is 65919983. The next prime is 65920031. The reversal of 65920014 is 41002956.

65920014 is a `hidden beast` number, since 659 + 2 + 0 + 0 + 1 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 65920014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14499 + ... + 18494.

It is an arithmetic number, because the mean of its divisors is an integer number (4701645).

Almost surely, 2^65920014 is an apocalyptic number.

65920014 is an abundant number, since it is smaller than the sum of its proper divisors (84532626).

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

65920014 is a wasteful number, since it uses less digits than its factorization.

65920014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33041 (or 33035 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 65920014 is about 8119.1141142368. The cubic root of 65920014 is about 403.9606822175.

The spelling of 65920014 in words is "sixty-five million, nine hundred twenty thousand, fourteen".