18351466872075 has 96 divisors (see below), whose sum is σ = 34808792094720. Its totient is φ = 9469282492800.

The previous prime is 18351466872071. The next prime is 18351466872127. The reversal of 18351466872075 is 57027866415381.

It is a happy number.

18351466872075 is a `hidden beast` number, since 1 + 8 + 3 + 5 + 1 + 466 + 87 + 20 + 75 = 666.

It is not a de Polignac number, because 18351466872075 - 2² = 18351466872071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18351466872071) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 82479877 + ... + 82702073.

It is an arithmetic number, because the mean of its divisors is an integer number (362591584320).

Almost surely, 2^{18351466872075} is an apocalyptic number.

18351466872075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18351466872075 is a deficient number, since it is larger than the sum of its proper divisors (16457325222645).

18351466872075 is a wasteful number, since it uses less digits than its factorization.

18351466872075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226194 (or 226183 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 18351466872075 in words is "eighteen trillion, three hundred fifty-one billion, four hundred sixty-six million, eight hundred seventy-two thousand, seventy-five".