18566682214 has 16 divisors (see below), whose sum is σ = 28606338288. Its totient is φ = 9031299552.

The previous prime is 18566682193. The next prime is 18566682241. The reversal of 18566682214 is 41228666581.

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, 1159249 + ... + 1175155.

It is an arithmetic number, because the mean of its divisors is an integer number (1787896143).

Almost surely, 2^18566682214 is an apocalyptic number.

18566682214 is a deficient number, since it is larger than the sum of its proper divisors (10039656074).

18566682214 is a wasteful number, since it uses less digits than its factorization.

18566682214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31719.

The product of its digits is 1105920, while the sum is 49.

The spelling of 18566682214 in words is "eighteen billion, five hundred sixty-six million, six hundred eighty-two thousand, two hundred fourteen".