18518350350192 has 160 divisors (see below), whose sum is σ = 61098238462464. Its totient is φ = 4692644966400.

The previous prime is 18518350350187. The next prime is 18518350350197. The reversal of 18518350350192 is 29105305381581.

It is an interprime number because it is at equal distance from previous prime (18518350350187) and next prime (18518350350197).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18518350350197) 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 31 ways as a sum of consecutive naturals, for example, 60950613 + ... + 61253684.

Almost surely, 2^{18518350350192} is an apocalyptic number.

18518350350192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18518350350192 is an abundant number, since it is smaller than the sum of its proper divisors (42579888112272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18518350350192 is a wasteful number, since it uses less digits than its factorization.

18518350350192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122204367 (or 122204361 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 18518350350192 in words is "eighteen trillion, five hundred eighteen billion, three hundred fifty million, three hundred fifty thousand, one hundred ninety-two".