83169897161 has 12 divisors (see below), whose sum is σ = 90125842752. Its totient is φ = 76715838576.

The previous prime is 83169897149. The next prime is 83169897191. The reversal of 83169897161 is 16179896138.

It is a de Polignac number, because none of the positive numbers 2^k-83169897161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83169897161.

It is not an unprimeable number, because it can be changed into a prime (83169897101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51020 + ... + 411026.

It is an arithmetic number, because the mean of its divisors is an integer number (7510486896).

Almost surely, 2^83169897161 is an apocalyptic number.

It is an amenable number.

83169897161 is a deficient number, since it is larger than the sum of its proper divisors (6955945591).

83169897161 is a wasteful number, since it uses less digits than its factorization.

83169897161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361400 (or 361387 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 59.

The spelling of 83169897161 in words is "eighty-three billion, one hundred sixty-nine million, eight hundred ninety-seven thousand, one hundred sixty-one".