65916928 has 156 divisors (see below), whose sum is σ = 174304480. Its totient is φ = 24330240.

The previous prime is 65916901. The next prime is 65916953. The reversal of 65916928 is 82961956.

Its product of digits (233280) is a multiple of the sum of its prime factors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3469303 + ... + 3469321.

Almost surely, 2^65916928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65916928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87152240).

65916928 is an abundant number, since it is smaller than the sum of its proper divisors (108387552).

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

65916928 is a wasteful number, since it uses less digits than its factorization.

65916928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 39 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 65916928 is about 8118.9240666482. The cubic root of 65916928 is about 403.9543784056.

The spelling of 65916928 in words is "sixty-five million, nine hundred sixteen thousand, nine hundred twenty-eight".