18425883672 has 256 divisors, whose sum is σ = 60323328000. Its totient is φ = 5101180416.

The previous prime is 18425883659. The next prime is 18425883673. The reversal of 18425883672 is 27638852481.

18425883672 is a `hidden beast` number, since 18 + 42 + 588 + 3 + 6 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18425883673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17733729 + ... + 17734767.

It is an arithmetic number, because the mean of its divisors is an integer number (235638000).

Almost surely, 2^18425883672 is an apocalyptic number.

18425883672 is a gapful number since it is divisible by the number (12) 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 18425883672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30161664000).

18425883672 is an abundant number, since it is smaller than the sum of its proper divisors (41897444328).

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

18425883672 is a wasteful number, since it uses less digits than its factorization.

18425883672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1405 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 18425883672 in words is "eighteen billion, four hundred twenty-five million, eight hundred eighty-three thousand, six hundred seventy-two".