971955165 has 16 divisors (see below), whose sum is σ = 1636977600. Its totient is φ = 491092992.

The previous prime is 971955133. The next prime is 971955191. The reversal of 971955165 is 561559179.

It is not a de Polignac number, because 971955165 - 2⁵ = 971955133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1704900 + ... + 1705469.

It is an arithmetic number, because the mean of its divisors is an integer number (102311100).

Almost surely, 2^971955165 is an apocalyptic number.

971955165 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

971955165 is a deficient number, since it is larger than the sum of its proper divisors (665022435).

971955165 is a wasteful number, since it uses less digits than its factorization.

971955165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410396.

The product of its digits is 425250, while the sum is 48.

The square root of 971955165 is about 31176.1954863001. The cubic root of 971955165 is about 990.5629437852.

The spelling of 971955165 in words is "nine hundred seventy-one million, nine hundred fifty-five thousand, one hundred sixty-five".