18668801349362 has 32 divisors (see below), whose sum is σ = 28341596839680. Its totient is φ = 9222109866880.

The previous prime is 18668801349361. The next prime is 18668801349371. The reversal of 18668801349362 is 26394310886681.

It is not an unprimeable number, because it can be changed into a prime (18668801349361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117012308 + ... + 117171744.

It is an arithmetic number, because the mean of its divisors is an integer number (885674901240).

Almost surely, 2^{18668801349362} is an apocalyptic number.

18668801349362 is a deficient number, since it is larger than the sum of its proper divisors (9672795490318).

18668801349362 is a wasteful number, since it uses less digits than its factorization.

18668801349362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161026.

The product of its (nonzero) digits is 71663616, while the sum is 65.

The spelling of 18668801349362 in words is "eighteen trillion, six hundred sixty-eight billion, eight hundred one million, three hundred forty-nine thousand, three hundred sixty-two".