65460816 has 60 divisors (see below), whose sum is σ = 183768000. Its totient is φ = 21752640.

The previous prime is 65460797. The next prime is 65460821. The reversal of 65460816 is 61806456.

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, 71401 + ... + 72311.

It is an arithmetic number, because the mean of its divisors is an integer number (3062800).

Almost surely, 2^65460816 is an apocalyptic number.

It is an amenable number.

65460816 is an abundant number, since it is smaller than the sum of its proper divisors (118307184).

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

65460816 is a wasteful number, since it uses less digits than its factorization.

65460816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 65460816 is about 8090.7858703589. The cubic root of 65460816 is about 403.0205006945.

The spelling of 65460816 in words is "sixty-five million, four hundred sixty thousand, eight hundred sixteen".