18168230152 has 16 divisors (see below), whose sum is σ = 34396165440. Its totient is φ = 8995919376.

The previous prime is 18168230147. The next prime is 18168230153. The reversal of 18168230152 is 25103286181.

It is not an unprimeable number, because it can be changed into a prime (18168230153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11023588 + ... + 11025235.

It is an arithmetic number, because the mean of its divisors is an integer number (2149760340).

Almost surely, 2^18168230152 is an apocalyptic number.

It is an amenable number.

18168230152 is a deficient number, since it is larger than the sum of its proper divisors (16227935288).

18168230152 is a wasteful number, since it uses less digits than its factorization.

18168230152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22048932 (or 22048928 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 18168230152 in words is "eighteen billion, one hundred sixty-eight million, two hundred thirty thousand, one hundred fifty-two".