961598169 has 16 divisors (see below), whose sum is σ = 1628103040. Its totient is φ = 549484560.

The previous prime is 961598167. The next prime is 961598177. The reversal of 961598169 is 961895169.

961598169 is a `hidden beast` number, since 9 + 615 + 9 + 8 + 16 + 9 = 666.

961598169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 961598169 - 2¹ = 961598167 is a prime.

It is a super-2 number, since 2×961598169² = 1849342077248305122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961598167) 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, 2543722 + ... + 2544099.

It is an arithmetic number, because the mean of its divisors is an integer number (101756440).

Almost surely, 2^961598169 is an apocalyptic number.

It is an amenable number.

961598169 is a deficient number, since it is larger than the sum of its proper divisors (666504871).

961598169 is a wasteful number, since it uses less digits than its factorization.

961598169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087837 (or 5087831 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 961598169 is about 31009.6463862457. The cubic root of 961598169 is about 987.0319461949.

The spelling of 961598169 in words is "nine hundred sixty-one million, five hundred ninety-eight thousand, one hundred sixty-nine".