18500145760 has 96 divisors (see below), whose sum is σ = 44324902944. Its totient is φ = 7296000000.

The previous prime is 18500145731. The next prime is 18500145799. The reversal of 18500145760 is 6754100581.

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, 4053880 + ... + 4058440.

It is an arithmetic number, because the mean of its divisors is an integer number (461717739).

Almost surely, 2^18500145760 is an apocalyptic number.

18500145760 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 18500145760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22162451472).

18500145760 is an abundant number, since it is smaller than the sum of its proper divisors (25824757184).

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

18500145760 is a wasteful number, since it uses less digits than its factorization.

18500145760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4928 (or 4920 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 18500145760 in words is "eighteen billion, five hundred million, one hundred forty-five thousand, seven hundred sixty".