965996646 has 16 divisors (see below), whose sum is σ = 1932787008. Its totient is φ = 321866600.

The previous prime is 965996639. The next prime is 965996701. The reversal of 965996646 is 646699569.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 965996646.

It is a congruent number.

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, 16620 + ... + 46991.

It is an arithmetic number, because the mean of its divisors is an integer number (120799188).

Almost surely, 2^965996646 is an apocalyptic number.

965996646 is an abundant number, since it is smaller than the sum of its proper divisors (966790362).

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

965996646 is a wasteful number, since it uses less digits than its factorization.

965996646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66147.

The product of its digits is 18895680, while the sum is 60.

The square root of 965996646 is about 31080.4865792027. The cubic root of 965996646 is about 988.5345955646.

The spelling of 965996646 in words is "nine hundred sixty-five million, nine hundred ninety-six thousand, six hundred forty-six".