961600680 has 64 divisors (see below), whose sum is σ = 3205339200. Its totient is φ = 256426560.

The previous prime is 961600669. The next prime is 961600681. The reversal of 961600680 is 86006169.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (961600681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444106 + ... + 446265.

It is an arithmetic number, because the mean of its divisors is an integer number (50083425).

Almost surely, 2^961600680 is an apocalyptic number.

961600680 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

961600680 is an abundant number, since it is smaller than the sum of its proper divisors (2243738520).

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

961600680 is a wasteful number, since it uses less digits than its factorization.

961600680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890391 (or 890381 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 961600680 is about 31009.6868736206. The cubic root of 961600680 is about 987.0328053323.

The spelling of 961600680 in words is "nine hundred sixty-one million, six hundred thousand, six hundred eighty".