18943153102886 has 16 divisors (see below), whose sum is σ = 28426489110864. Its totient is φ = 9467656982784.

The previous prime is 18943153102859. The next prime is 18943153102957. The reversal of 18943153102886 is 68820135134981.

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, 257507486 + ... + 257581038.

It is an arithmetic number, because the mean of its divisors is an integer number (1776655569429).

Almost surely, 2^{18943153102886} is an apocalyptic number.

18943153102886 is a deficient number, since it is larger than the sum of its proper divisors (9483336007978).

18943153102886 is a wasteful number, since it uses less digits than its factorization.

18943153102886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125095.

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 18943153102886 in words is "eighteen trillion, nine hundred forty-three billion, one hundred fifty-three million, one hundred two thousand, eight hundred eighty-six".