83161869 has 12 divisors (see below), whose sum is σ = 128985984. Its totient is φ = 47520984.

The previous prime is 83161861. The next prime is 83161873. The reversal of 83161869 is 96816138.

It is not a de Polignac number, because 83161869 - 2³ = 83161861 is a prime.

It is a super-2 number, since 2×83161869² = 13831792911146322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 83161869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83161861) 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, 282717 + ... + 283010.

It is an arithmetic number, because the mean of its divisors is an integer number (10748832).

Almost surely, 2^83161869 is an apocalyptic number.

It is an amenable number.

83161869 is a deficient number, since it is larger than the sum of its proper divisors (45824115).

83161869 is a wasteful number, since it uses less digits than its factorization.

83161869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565744 (or 565737 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 83161869 is about 9119.3129675431. The cubic root of 83161869 is about 436.4904508827.

The spelling of 83161869 in words is "eighty-three million, one hundred sixty-one thousand, eight hundred sixty-nine".