18668335167001 has 8 divisors (see below), whose sum is σ = 20106899809920. Its totient is φ = 17230133218512.

The previous prime is 18668335166951. The next prime is 18668335167011. The reversal of 18668335167001 is 10076153386681.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18668335167001 - 2¹⁵ = 18668335134233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18668335167011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90566695 + ... + 90772588.

It is an arithmetic number, because the mean of its divisors is an integer number (2513362476240).

Almost surely, 2^{18668335167001} is an apocalyptic number.

It is an amenable number.

18668335167001 is a deficient number, since it is larger than the sum of its proper divisors (1438564642919).

18668335167001 is a wasteful number, since it uses less digits than its factorization.

18668335167001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181347215.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 18668335167001 in words is "eighteen trillion, six hundred sixty-eight billion, three hundred thirty-five million, one hundred sixty-seven thousand, one".