965116691 has 18 divisors (see below), whose sum is σ = 1234035180. Its totient is φ = 752034360.

The previous prime is 965116687. The next prime is 965116717. The reversal of 965116691 is 196611569.

It is not a de Polignac number, because 965116691 - 2² = 965116687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (965116601) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 75461 + ... + 87318.

It is an arithmetic number, because the mean of its divisors is an integer number (68557510).

Almost surely, 2^965116691 is an apocalyptic number.

965116691 is a deficient number, since it is larger than the sum of its proper divisors (268918489).

965116691 is a wasteful number, since it uses less digits than its factorization.

965116691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162815 (or 162797 counting only the distinct ones).

The product of its digits is 87480, while the sum is 44.

The square root of 965116691 is about 31066.3272853422. The cubic root of 965116691 is about 988.2343425474.

The spelling of 965116691 in words is "nine hundred sixty-five million, one hundred sixteen thousand, six hundred ninety-one".