18087014148 has 144 divisors (see below), whose sum is σ = 49911958656. Its totient is φ = 4993228800.

The previous prime is 18087014129. The next prime is 18087014149. The reversal of 18087014148 is 84141078081.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (18087014149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15686340 + ... + 15687492.

It is an arithmetic number, because the mean of its divisors is an integer number (346610824).

Almost surely, 2^18087014148 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 18087014148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24955979328).

18087014148 is an abundant number, since it is smaller than the sum of its proper divisors (31824944508).

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

18087014148 is a wasteful number, since it uses less digits than its factorization.

18087014148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 42.

The spelling of 18087014148 in words is "eighteen billion, eighty-seven million, fourteen thousand, one hundred forty-eight".