18592196021 has 16 divisors (see below), whose sum is σ = 21572213376. Its totient is φ = 15693327936.

The previous prime is 18592195943. The next prime is 18592196023. The reversal of 18592196021 is 12069129581.

It is a cyclic number.

It is not a de Polignac number, because 18592196021 - 2²² = 18588001717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18592196023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2903195 + ... + 2909591.

It is an arithmetic number, because the mean of its divisors is an integer number (1348263336).

Almost surely, 2^18592196021 is an apocalyptic number.

It is an amenable number.

18592196021 is a deficient number, since it is larger than the sum of its proper divisors (2980017355).

18592196021 is an equidigital number, since it uses as much as digits as its factorization.

18592196021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668.

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 18592196021 in words is "eighteen billion, five hundred ninety-two million, one hundred ninety-six thousand, twenty-one".