961161634 has 8 divisors (see below), whose sum is σ = 1488250368. Its totient is φ = 465078180.

The previous prime is 961161557. The next prime is 961161661. The reversal of 961161634 is 436161169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 961161593 and 961161602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7751242 + ... + 7751365.

It is an arithmetic number, because the mean of its divisors is an integer number (186031296).

Almost surely, 2^961161634 is an apocalyptic number.

961161634 is a deficient number, since it is larger than the sum of its proper divisors (527088734).

961161634 is a wasteful number, since it uses less digits than its factorization.

961161634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15502640.

The product of its digits is 23328, while the sum is 37.

The square root of 961161634 is about 31002.6068903891. The cubic root of 961161634 is about 986.8825632121.

The spelling of 961161634 in words is "nine hundred sixty-one million, one hundred sixty-one thousand, six hundred thirty-four".