218080982 has 16 divisors (see below), whose sum is σ = 374410752. Its totient is φ = 93323880.

The previous prime is 218080937. The next prime is 218080991. The reversal of 218080982 is 289080812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1598 + ... + 20945.

It is an arithmetic number, because the mean of its divisors is an integer number (23400672).

Almost surely, 2^218080982 is an apocalyptic number.

218080982 is a deficient number, since it is larger than the sum of its proper divisors (156329770).

218080982 is a wasteful number, since it uses less digits than its factorization.

218080982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23243.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 218080982 is about 14767.5652021584. The cubic root of 218080982 is about 601.9206802701.

The spelling of 218080982 in words is "two hundred eighteen million, eighty thousand, nine hundred eighty-two".