65906368 has 56 divisors (see below), whose sum is σ = 143743680. Its totient is φ = 29733120.

The previous prime is 65906317. The next prime is 65906381. The reversal of 65906368 is 86360956.

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, 125755 + ... + 126277.

Almost surely, 2^65906368 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 65906368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71871840).

65906368 is an abundant number, since it is smaller than the sum of its proper divisors (77837312).

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

65906368 is a wasteful number, since it uses less digits than its factorization.

65906368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 65906368 is about 8118.2737081229. The cubic root of 65906368 is about 403.9328058688.

The spelling of 65906368 in words is "sixty-five million, nine hundred six thousand, three hundred sixty-eight".