18442264994160 has 160 divisors (see below), whose sum is σ = 66313509330432. Its totient is φ = 4152458787840.

The previous prime is 18442264994129. The next prime is 18442264994203. The reversal of 18442264994160 is 6149946224481.

It is a super-2 number, since 2×18442264994160² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 18442264994094 and 18442264994103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81809371 + ... + 82034490.

Almost surely, 2^{18442264994160} is an apocalyptic number.

18442264994160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18442264994160 is an abundant number, since it is smaller than the sum of its proper divisors (47871244336272).

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

18442264994160 is a wasteful number, since it uses less digits than its factorization.

18442264994160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163843951 (or 163843945 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

It can be divided in two parts, 1844226 and 4994160, that added together give a palindrome (6838386).

The spelling of 18442264994160 in words is "eighteen trillion, four hundred forty-two billion, two hundred sixty-four million, nine hundred ninety-four thousand, one hundred sixty".