65916912 has 60 divisors (see below), whose sum is σ = 176078760. Its totient is φ = 21248640.

The previous prime is 65916901. The next prime is 65916953. The reversal of 65916912 is 21961956.

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, 45414 + ... + 46842.

It is an arithmetic number, because the mean of its divisors is an integer number (2934646).

Almost surely, 2^65916912 is an apocalyptic number.

65916912 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65916912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88039380).

65916912 is an abundant number, since it is smaller than the sum of its proper divisors (110161848).

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

65916912 is a wasteful number, since it uses less digits than its factorization.

65916912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1465 counting only the distinct ones).

The product of its digits is 29160, while the sum is 39.

The square root of 65916912 is about 8118.9230812959. The cubic root of 65916912 is about 403.9543457216.

It can be divided in two parts, 659 and 16912, that added together give a palindrome (17571).

The spelling of 65916912 in words is "sixty-five million, nine hundred sixteen thousand, nine hundred twelve".