18660000694 has 8 divisors (see below), whose sum is σ = 29206957680. Its totient is φ = 8924348136.

The previous prime is 18660000673. The next prime is 18660000701. The reversal of 18660000694 is 49600006681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202826049 + ... + 202826140.

It is an arithmetic number, because the mean of its divisors is an integer number (3650869710).

Almost surely, 2^18660000694 is an apocalyptic number.

18660000694 is a deficient number, since it is larger than the sum of its proper divisors (10546956986).

18660000694 is a wasteful number, since it uses less digits than its factorization.

18660000694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405652214.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 18660000694 in words is "eighteen billion, six hundred sixty million, six hundred ninety-four", and thus it is an aban number.