18449004522177 has 48 divisors (see below), whose sum is σ = 28339574934528. Its totient is φ = 11541480017760.

The previous prime is 18449004522121. The next prime is 18449004522181. The reversal of 18449004522177 is 77122540094481.

It is a happy number.

18449004522177 is a `hidden beast` number, since 1 + 8 + 4 + 49 + 0 + 0 + 4 + 522 + 1 + 77 = 666.

It is not a de Polignac number, because 18449004522177 - 2²⁸ = 18448736086721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18449004522077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1762099 + ... + 6324792.

It is an arithmetic number, because the mean of its divisors is an integer number (590407811136).

Almost surely, 2^{18449004522177} is an apocalyptic number.

It is an amenable number.

18449004522177 is a deficient number, since it is larger than the sum of its proper divisors (9890570412351).

18449004522177 is a wasteful number, since it uses less digits than its factorization.

18449004522177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087130 (or 8087127 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 18449004522177 in words is "eighteen trillion, four hundred forty-nine billion, four million, five hundred twenty-two thousand, one hundred seventy-seven".