961816122 has 24 divisors (see below), whose sum is σ = 2123256564. Its totient is φ = 314555904.

The previous prime is 961816067. The next prime is 961816151. The reversal of 961816122 is 221618169.

961816122 is a `hidden beast` number, since 9 + 618 + 16 + 1 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 925924041 + 35892081 = 30429^2 + 5991^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503143 + ... + 505050.

Almost surely, 2^961816122 is an apocalyptic number.

961816122 is an abundant number, since it is smaller than the sum of its proper divisors (1161440442).

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

961816122 is a wasteful number, since it uses less digits than its factorization.

961816122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008254 (or 1008251 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 961816122 is about 31013.1604645512. The cubic root of 961816122 is about 987.1065131430.

The spelling of 961816122 in words is "nine hundred sixty-one million, eight hundred sixteen thousand, one hundred twenty-two".