961656281232 has 40 divisors (see below), whose sum is σ = 2484343536480. Its totient is φ = 320543731200.

The previous prime is 961656281057. The next prime is 961656281237. The reversal of 961656281232 is 232182656169.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (961656281237) 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, 1758744 + ... + 2239752.

It is an arithmetic number, because the mean of its divisors is an integer number (62108588412).

Almost surely, 2^961656281232 is an apocalyptic number.

It is an amenable number.

961656281232 is an abundant number, since it is smaller than the sum of its proper divisors (1522687255248).

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

961656281232 is a wasteful number, since it uses less digits than its factorization.

961656281232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522671 (or 522665 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The spelling of 961656281232 in words is "nine hundred sixty-one billion, six hundred fifty-six million, two hundred eighty-one thousand, two hundred thirty-two".