18320759066 has 8 divisors (see below), whose sum is σ = 28675970784. Its totient is φ = 8762102140.

The previous prime is 18320758999. The next prime is 18320759117. The reversal of 18320759066 is 66095702381.

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

It is a self number, because there is not a number n which added to its sum of digits gives 18320759066.

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, 199138640 + ... + 199138731.

It is an arithmetic number, because the mean of its divisors is an integer number (3584496348).

Almost surely, 2^18320759066 is an apocalyptic number.

18320759066 is a deficient number, since it is larger than the sum of its proper divisors (10355211718).

18320759066 is a wasteful number, since it uses less digits than its factorization.

18320759066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398277396.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 18320759066 in words is "eighteen billion, three hundred twenty million, seven hundred fifty-nine thousand, sixty-six".