218446982035045 has 16 divisors (see below), whose sum is σ = 262255794763968. Its totient is φ = 174677977837440.

The previous prime is 218446982035039. The next prime is 218446982035091. The reversal of 218446982035045 is 540530289644812.

It is not a de Polignac number, because 218446982035045 - 2²³ = 218446973646437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670687522 + ... + 671013148.

It is an arithmetic number, because the mean of its divisors is an integer number (16390987172748).

Almost surely, 2^{218446982035045} is an apocalyptic number.

It is an amenable number.

218446982035045 is a deficient number, since it is larger than the sum of its proper divisors (43808812728923).

218446982035045 is a wasteful number, since it uses less digits than its factorization.

218446982035045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386340.

The product of its (nonzero) digits is 66355200, while the sum is 61.

The spelling of 218446982035045 in words is "two hundred eighteen trillion, four hundred forty-six billion, nine hundred eighty-two million, thirty-five thousand, forty-five".