18272791354 has 16 divisors (see below), whose sum is σ = 27503649792. Its totient is φ = 9104948608.

The previous prime is 18272791331. The next prime is 18272791363. The reversal of 18272791354 is 45319727281.

It is a junction number, because it is equal to n+sod(n) for n = 18272791298 and 18272791307.

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, 973482 + ... + 992074.

It is an arithmetic number, because the mean of its divisors is an integer number (1718978112).

Almost surely, 2^18272791354 is an apocalyptic number.

18272791354 is a deficient number, since it is larger than the sum of its proper divisors (9230858438).

18272791354 is a wasteful number, since it uses less digits than its factorization.

18272791354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20261.

The product of its digits is 846720, while the sum is 49.

The spelling of 18272791354 in words is "eighteen billion, two hundred seventy-two million, seven hundred ninety-one thousand, three hundred fifty-four".