18584475472 has 80 divisors (see below), whose sum is σ = 38961077760. Its totient is φ = 8559202176.

The previous prime is 18584475461. The next prime is 18584475487. The reversal of 18584475472 is 27457448581.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2964213 + ... + 2970475.

It is an arithmetic number, because the mean of its divisors is an integer number (487013472).

Almost surely, 2^18584475472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18584475472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19480538880).

18584475472 is an abundant number, since it is smaller than the sum of its proper divisors (20376602288).

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

18584475472 is a wasteful number, since it uses less digits than its factorization.

18584475472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560 (or 6554 counting only the distinct ones).

The product of its digits is 10035200, while the sum is 55.

The spelling of 18584475472 in words is "eighteen billion, five hundred eighty-four million, four hundred seventy-five thousand, four hundred seventy-two".