18152193172 has 24 divisors (see below), whose sum is σ = 34149709440. Its totient is φ = 8415460800.

The previous prime is 18152193107. The next prime is 18152193197. The reversal of 18152193172 is 27139125181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2537329 + ... + 2544472.

It is an arithmetic number, because the mean of its divisors is an integer number (1422904560).

Almost surely, 2^18152193172 is an apocalyptic number.

It is an amenable number.

18152193172 is a deficient number, since it is larger than the sum of its proper divisors (15997516268).

18152193172 is a wasteful number, since it uses less digits than its factorization.

18152193172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081871 (or 5081869 counting only the distinct ones).

The product of its digits is 30240, while the sum is 40.

The spelling of 18152193172 in words is "eighteen billion, one hundred fifty-two million, one hundred ninety-three thousand, one hundred seventy-two".