65625416 has 16 divisors (see below), whose sum is σ = 123171840. Its totient is φ = 32779600.

The previous prime is 65625409. The next prime is 65625421. The reversal of 65625416 is 61452656.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5645 + ... + 12771.

It is an arithmetic number, because the mean of its divisors is an integer number (7698240).

Almost surely, 2^65625416 is an apocalyptic number.

It is an amenable number.

65625416 is a deficient number, since it is larger than the sum of its proper divisors (57546424).

65625416 is a wasteful number, since it uses less digits than its factorization.

65625416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284 (or 8280 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 65625416 is about 8100.9515490466. The cubic root of 65625416 is about 403.3580138044.

The spelling of 65625416 in words is "sixty-five million, six hundred twenty-five thousand, four hundred sixteen".