961613560 has 32 divisors (see below), whose sum is σ = 2277507600. Its totient is φ = 364400640.

The previous prime is 961613531. The next prime is 961613567. The reversal of 961613560 is 65316169.

961613560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961613567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631881 + ... + 633400.

Almost surely, 2^961613560 is an apocalyptic number.

It is an amenable number.

961613560 is an abundant number, since it is smaller than the sum of its proper divisors (1315894040).

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

961613560 is a wasteful number, since it uses less digits than its factorization.

961613560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265311 (or 1265307 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 961613560 is about 31009.8945499658. The cubic root of 961613560 is about 987.0372121948.

The spelling of 961613560 in words is "nine hundred sixty-one million, six hundred thirteen thousand, five hundred sixty".