18664958706 has 8 divisors (see below), whose sum is σ = 37329917424. Its totient is φ = 6221652900.

The previous prime is 18664958681. The next prime is 18664958713. The reversal of 18664958706 is 60785946681.

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

18664958706 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 18664958706.

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, 1555413220 + ... + 1555413231.

It is an arithmetic number, because the mean of its divisors is an integer number (4666239678).

Almost surely, 2^18664958706 is an apocalyptic number.

18664958706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18664958706 is a wasteful number, since it uses less digits than its factorization.

18664958706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110826456.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 18664958706 in words is "eighteen billion, six hundred sixty-four million, nine hundred fifty-eight thousand, seven hundred six".