18043162884154 has 16 divisors (see below), whose sum is σ = 27095126625000. Its totient is φ = 9011455075584.

The previous prime is 18043162884139. The next prime is 18043162884157. The reversal of 18043162884154 is 45148826134081.

It can be written as a sum of positive squares in 4 ways, for example, as 16752837278529 + 1290325605625 = 4093023^2 + 1135925^2 .

It is a super-2 number, since 2×18043162884154² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18043162884095 and 18043162884104.

It is not an unprimeable number, because it can be changed into a prime (18043162884157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34878862 + ... + 35392390.

Almost surely, 2^{18043162884154} is an apocalyptic number.

18043162884154 is a deficient number, since it is larger than the sum of its proper divisors (9051963740846).

18043162884154 is a wasteful number, since it uses less digits than its factorization.

18043162884154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533217.

The product of its (nonzero) digits is 5898240, while the sum is 55.

The spelling of 18043162884154 in words is "eighteen trillion, forty-three billion, one hundred sixty-two million, eight hundred eighty-four thousand, one hundred fifty-four".