18741081438862 has 16 divisors (see below), whose sum is σ = 28450714586112. Its totient is φ = 9257513070520.

The previous prime is 18741081438857. The next prime is 18741081438899. The reversal of 18741081438862 is 26883418014781.

It is a self number, because there is not a number n which added to its sum of digits gives 18741081438862.

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, 11699283 + ... + 13204369.

It is an arithmetic number, because the mean of its divisors is an integer number (1778169661632).

Almost surely, 2^{18741081438862} is an apocalyptic number.

18741081438862 is a deficient number, since it is larger than the sum of its proper divisors (9709633147250).

18741081438862 is a wasteful number, since it uses less digits than its factorization.

18741081438862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580183.

The product of its (nonzero) digits is 16515072, while the sum is 61.

The spelling of 18741081438862 in words is "eighteen trillion, seven hundred forty-one billion, eighty-one million, four hundred thirty-eight thousand, eight hundred sixty-two".