18054003672 has 96 divisors (see below), whose sum is σ = 52231074480. Its totient is φ = 5613834240.

The previous prime is 18054003631. The next prime is 18054003677. The reversal of 18054003672 is 27630045081.

18054003672 is a `hidden beast` number, since 1 + 80 + 540 + 0 + 36 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18054003677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73047 + ... + 203577.

Almost surely, 2^18054003672 is an apocalyptic number.

18054003672 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 18054003672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26115537240).

18054003672 is an abundant number, since it is smaller than the sum of its proper divisors (34177070808).

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

18054003672 is a wasteful number, since it uses less digits than its factorization.

18054003672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130673 (or 130666 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 18054003672 in words is "eighteen billion, fifty-four million, three thousand, six hundred seventy-two".