1802165982 has 16 divisors (see below), whose sum is σ = 3609809280. Its totient is φ = 599809112.

The previous prime is 1802165977. The next prime is 1802166001. The reversal of 1802165982 is 2895612081.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223938 + ... + 231845.

It is an arithmetic number, because the mean of its divisors is an integer number (225613080).

Almost surely, 2^1802165982 is an apocalyptic number.

1802165982 is an abundant number, since it is smaller than the sum of its proper divisors (1807643298).

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

1802165982 is a wasteful number, since it uses less digits than its factorization.

1802165982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456447.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1802165982 is about 42451.9255393675. The cubic root of 1802165982 is about 1216.9281272407.

The spelling of 1802165982 in words is "one billion, eight hundred two million, one hundred sixty-five thousand, nine hundred eighty-two".