18696327454 has 16 divisors (see below), whose sum is σ = 32594083200. Its totient is φ = 7876902744.

The previous prime is 18696327443. The next prime is 18696327491. The reversal of 18696327454 is 45472369681.

It is a junction number, because it is equal to n+sod(n) for n = 18696327395 and 18696327404.

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, 11316564 + ... + 11318215.

It is an arithmetic number, because the mean of its divisors is an integer number (2037130200).

Almost surely, 2^18696327454 is an apocalyptic number.

18696327454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18696327454 is a deficient number, since it is larger than the sum of its proper divisors (13897755746).

18696327454 is a wasteful number, since it uses less digits than its factorization.

18696327454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22634847.

The product of its digits is 8709120, while the sum is 55.

The spelling of 18696327454 in words is "eighteen billion, six hundred ninety-six million, three hundred twenty-seven thousand, four hundred fifty-four".