18180675147 has 8 divisors (see below), whose sum is σ = 24241826880. Its totient is φ = 12119986760.

The previous prime is 18180675133. The next prime is 18180675169. The reversal of 18180675147 is 74157608181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18180675147 - 2⁶ = 18180675083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18180675096 and 18180675105.

It is not an unprimeable number, because it can be changed into a prime (18180675547) 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, 10629 + ... + 190982.

It is an arithmetic number, because the mean of its divisors is an integer number (3030228360).

Almost surely, 2^18180675147 is an apocalyptic number.

18180675147 is a deficient number, since it is larger than the sum of its proper divisors (6061151733).

18180675147 is a wasteful number, since it uses less digits than its factorization.

18180675147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231673.

The product of its (nonzero) digits is 376320, while the sum is 48.

The spelling of 18180675147 in words is "eighteen billion, one hundred eighty million, six hundred seventy-five thousand, one hundred forty-seven".