18664141413 has 16 divisors (see below), whose sum is σ = 25150280960. Its totient is φ = 12310465536.

The previous prime is 18664141399. The next prime is 18664141501. The reversal of 18664141413 is 31414146681.

It is not a de Polignac number, because 18664141413 - 2¹⁰ = 18664140389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18664148413) 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, 1075953 + ... + 1093161.

It is an arithmetic number, because the mean of its divisors is an integer number (1571892560).

Almost surely, 2^18664141413 is an apocalyptic number.

It is an amenable number.

18664141413 is a deficient number, since it is larger than the sum of its proper divisors (6486139547).

18664141413 is a wasteful number, since it uses less digits than its factorization.

18664141413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21036.

The product of its digits is 55296, while the sum is 39.

The spelling of 18664141413 in words is "eighteen billion, six hundred sixty-four million, one hundred forty-one thousand, four hundred thirteen".