18326310165090 has 24 divisors (see below), whose sum is σ = 47648406429468. Its totient is φ = 4887016044000.

The previous prime is 18326310165089. The next prime is 18326310165101. The reversal of 18326310165090 is 9056101362381.

18326310165090 is a `hidden beast` number, since 1 + 8 + 3 + 2 + 631 + 0 + 1 + 6 + 5 + 0 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17901606398841 + 424703766249 = 4231029^2 + 651693^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101812834161 + ... + 101812834340.

Almost surely, 2^{18326310165090} is an apocalyptic number.

18326310165090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18326310165090 is an abundant number, since it is smaller than the sum of its proper divisors (29322096264378).

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

18326310165090 is a wasteful number, since it uses less digits than its factorization.

18326310165090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203625668514 (or 203625668511 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 18326310165090 in words is "eighteen trillion, three hundred twenty-six billion, three hundred ten million, one hundred sixty-five thousand, ninety".