18090596966401 has 4 divisors (see below), whose sum is σ = 18129334861872. Its totient is φ = 18051859070932.

The previous prime is 18090596966383. The next prime is 18090596966441. The reversal of 18090596966401 is 10466969509081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18090596966401 - 2⁴¹ = 15891573710849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18090596966441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19368947035 + ... + 19368947968.

It is an arithmetic number, because the mean of its divisors is an integer number (4532333715468).

Almost surely, 2^{18090596966401} is an apocalyptic number.

It is an amenable number.

18090596966401 is a deficient number, since it is larger than the sum of its proper divisors (38737895471).

18090596966401 is an equidigital number, since it uses as much as digits as its factorization.

18090596966401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38737895470.

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 18090596966401 in words is "eighteen trillion, ninety billion, five hundred ninety-six million, nine hundred sixty-six thousand, four hundred one".