18852155148 has 96 divisors (see below), whose sum is σ = 47398256640. Its totient is φ = 5813156160.

The previous prime is 18852155123. The next prime is 18852155149. The reversal of 18852155148 is 84155125881.

It is a junction number, because it is equal to n+sod(n) for n = 18852155097 and 18852155106.

It is not an unprimeable number, because it can be changed into a prime (18852155149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5259765 + ... + 5263347.

It is an arithmetic number, because the mean of its divisors is an integer number (493731840).

Almost surely, 2^18852155148 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 18852155148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23699128320).

18852155148 is an abundant number, since it is smaller than the sum of its proper divisors (28546101492).

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

18852155148 is a wasteful number, since it uses less digits than its factorization.

18852155148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147 (or 4145 counting only the distinct ones).

The product of its digits is 512000, while the sum is 48.

The spelling of 18852155148 in words is "eighteen billion, eight hundred fifty-two million, one hundred fifty-five thousand, one hundred forty-eight".