65032416 has 48 divisors (see below), whose sum is σ = 189680400. Its totient is φ = 21677184.

The previous prime is 65032381. The next prime is 65032439. The reversal of 65032416 is 61423056.

65032416 is a `hidden beast` number, since 650 + 3 + 2 + 4 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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 65032416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36771 + ... + 38498.

It is an arithmetic number, because the mean of its divisors is an integer number (3951675).

Almost surely, 2^65032416 is an apocalyptic number.

It is an amenable number.

65032416 is an abundant number, since it is smaller than the sum of its proper divisors (124647984).

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

65032416 is a wasteful number, since it uses less digits than its factorization.

65032416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75288 (or 75274 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 65032416 is about 8064.2678526944. The cubic root of 65032416 is about 402.1394036464.

Subtracting from 65032416 its product of nonzero digits (4320), we obtain a square (65028096 = 8064²).

The spelling of 65032416 in words is "sixty-five million, thirty-two thousand, four hundred sixteen".