82161162 has 32 divisors (see below), whose sum is σ = 185313600. Its totient is φ = 26977104.

The previous prime is 82161139. The next prime is 82161169. The reversal of 82161162 is 26116128.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (82161169) 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 15 ways as a sum of consecutive naturals, for example, 7737 + ... + 14972.

It is an arithmetic number, because the mean of its divisors is an integer number (5791050).

Almost surely, 2^82161162 is an apocalyptic number.

82161162 is an abundant number, since it is smaller than the sum of its proper divisors (103152438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82161162 is a wasteful number, since it uses less digits than its factorization.

82161162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22787 (or 22781 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 82161162 is about 9064.2794528854. The cubic root of 82161162 is about 434.7325823679.

The spelling of 82161162 in words is "eighty-two million, one hundred sixty-one thousand, one hundred sixty-two".