18604470044160 has 4480 divisors, whose sum is σ = 93917664884736. Its totient is φ = 3405455032320.

The previous prime is 18604470044087. The next prime is 18604470044203. The reversal of 18604470044160 is 6144007440681.

18604470044160 is a `hidden beast` number, since 1 + 8 + 6 + 0 + 447 + 0 + 0 + 44 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (4480).

It is a super-2 number, since 2×18604470044160² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 42966443304 + ... + 42966443736.

Almost surely, 2^{18604470044160} is an apocalyptic number.

18604470044160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18604470044160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46958832442368).

18604470044160 is an abundant number, since it is smaller than the sum of its proper divisors (75313194840576).

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

18604470044160 is a wasteful number, since it uses less digits than its factorization.

18604470044160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 18604470044160 in words is "eighteen trillion, six hundred four billion, four hundred seventy million, forty-four thousand, one hundred sixty".