18872503104 has 168 divisors, whose sum is σ = 61795030080. Its totient is φ = 4977303552.

The previous prime is 18872503019. The next prime is 18872503109. The reversal of 18872503104 is 40130527881.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18872503109) 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, 185592 + ... + 268680.

It is an arithmetic number, because the mean of its divisors is an integer number (367827560).

Almost surely, 2^18872503104 is an apocalyptic number.

18872503104 is a gapful number since it is divisible by the number (14) 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 18872503104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30897515040).

18872503104 is an abundant number, since it is smaller than the sum of its proper divisors (42922526976).

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

18872503104 is a wasteful number, since it uses less digits than its factorization.

18872503104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83137 (or 83114 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 18872503104 in words is "eighteen billion, eight hundred seventy-two million, five hundred three thousand, one hundred four".