961559456600 has 48 divisors (see below), whose sum is σ = 2236193983800. Its totient is φ = 384526019840.

The previous prime is 961559456573. The next prime is 961559456657. The reversal of 961559456600 is 6654955169.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180356 + ... + 1398444.

Almost surely, 2^961559456600 is an apocalyptic number.

It is an amenable number.

961559456600 is an abundant number, since it is smaller than the sum of its proper divisors (1274634527200).

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

961559456600 is a wasteful number, since it uses less digits than its factorization.

961559456600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222052 (or 1222043 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 961559456600 in words is "nine hundred sixty-one billion, five hundred fifty-nine million, four hundred fifty-six thousand, six hundred".