18348117514199 has 16 divisors (see below), whose sum is σ = 21270058564896. Its totient is φ = 15642249216000.

The previous prime is 18348117514163. The next prime is 18348117514303. The reversal of 18348117514199 is 99141571184381.

It is a de Polignac number, because none of the positive numbers 2^k-18348117514199 is a prime.

It is a super-2 number, since 2×18348117514199² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348117514099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177057002 + ... + 177160599.

It is an arithmetic number, because the mean of its divisors is an integer number (1329378660306).

Almost surely, 2^{18348117514199} is an apocalyptic number.

18348117514199 is a deficient number, since it is larger than the sum of its proper divisors (2921941050697).

18348117514199 is a wasteful number, since it uses less digits than its factorization.

18348117514199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354217906.

The product of its digits is 8709120, while the sum is 62.

The spelling of 18348117514199 in words is "eighteen trillion, three hundred forty-eight billion, one hundred seventeen million, five hundred fourteen thousand, one hundred ninety-nine".