961389183680 has 112 divisors (see below), whose sum is σ = 2455266595680. Its totient is φ = 357441896448.

The previous prime is 961389183649. The next prime is 961389183697. The reversal of 961389183680 is 86381983169.

It is a happy number.

961389183680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169489 + ... + 1813968.

Almost surely, 2^961389183680 is an apocalyptic number.

It is an amenable number.

961389183680 is an abundant number, since it is smaller than the sum of its proper divisors (1493877412000).

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

961389183680 is a wasteful number, since it uses less digits than its factorization.

961389183680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983546 (or 2983536 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 961389183680 in words is "nine hundred sixty-one billion, three hundred eighty-nine million, one hundred eighty-three thousand, six hundred eighty".