18404580717162 has 12 divisors (see below), whose sum is σ = 39876591553890. Its totient is φ = 6134860239048.

The previous prime is 18404580717101. The next prime is 18404580717167. The reversal of 18404580717162 is 26171708540481.

It is a happy number.

18404580717162 is a `hidden beast` number, since 1 + 8 + 40 + 4 + 580 + 7 + 1 + 7 + 16 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18237349611441 + 167231105721 = 4270521^2 + 408939^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 18404580717099 and 18404580717108.

It is not an unprimeable number, because it can be changed into a prime (18404580717167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 511238353237 + ... + 511238353272.

Almost surely, 2^{18404580717162} is an apocalyptic number.

18404580717162 is an abundant number, since it is smaller than the sum of its proper divisors (21472010836728).

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

18404580717162 is a wasteful number, since it uses less digits than its factorization.

18404580717162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022476706517 (or 1022476706514 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 18404580717162 in words is "eighteen trillion, four hundred four billion, five hundred eighty million, seven hundred seventeen thousand, one hundred sixty-two".