18592217066 has 8 divisors (see below), whose sum is σ = 28148964480. Its totient is φ = 9209228908.

The previous prime is 18592216997. The next prime is 18592217071. The reversal of 18592217066 is 66071229581.

It is a happy number.

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 18592217066.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43439546 + ... + 43439973.

It is an arithmetic number, because the mean of its divisors is an integer number (3518620560).

Almost surely, 2^18592217066 is an apocalyptic number.

18592217066 is a deficient number, since it is larger than the sum of its proper divisors (9556747414).

18592217066 is a wasteful number, since it uses less digits than its factorization.

18592217066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86879628.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 18592217066 in words is "eighteen billion, five hundred ninety-two million, two hundred seventeen thousand, sixty-six".