18028265148 has 24 divisors (see below), whose sum is σ = 46739946960. Its totient is φ = 6009421680.

The previous prime is 18028265147. The next prime is 18028265161. The reversal of 18028265148 is 84156282081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18028265141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83464083 + ... + 83464298.

It is an arithmetic number, because the mean of its divisors is an integer number (1947497790).

Almost surely, 2^18028265148 is an apocalyptic number.

18028265148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18028265148 is an abundant number, since it is smaller than the sum of its proper divisors (28711681812).

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

18028265148 is a wasteful number, since it uses less digits than its factorization.

18028265148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166928394 (or 166928386 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 18028265148 in words is "eighteen billion, twenty-eight million, two hundred sixty-five thousand, one hundred forty-eight".