165877982 has 16 divisors (see below), whose sum is σ = 250734960. Its totient is φ = 82302528.

The previous prime is 165877981. The next prime is 165878003. The reversal of 165877982 is 289778561.

165877982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165877981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268538 + ... + 269154.

It is an arithmetic number, because the mean of its divisors is an integer number (15670935).

Almost surely, 2^165877982 is an apocalyptic number.

165877982 is a deficient number, since it is larger than the sum of its proper divisors (84856978).

165877982 is a wasteful number, since it uses less digits than its factorization.

165877982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435.

The product of its digits is 1693440, while the sum is 53.

The square root of 165877982 is about 12879.3626395098. The cubic root of 165877982 is about 549.4517754899.

The spelling of 165877982 in words is "one hundred sixty-five million, eight hundred seventy-seven thousand, nine hundred eighty-two".