18072058163 has 8 divisors (see below), whose sum is σ = 18136968960. Its totient is φ = 18007262280.

The previous prime is 18072058159. The next prime is 18072058171. The reversal of 18072058163 is 36185027081.

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 18072058163 - 2² = 18072058159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18072058163.

It is not an unprimeable number, because it can be changed into a prime (18072058133) 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, 292778 + ... + 349088.

It is an arithmetic number, because the mean of its divisors is an integer number (2267121120).

Almost surely, 2^18072058163 is an apocalyptic number.

18072058163 is a deficient number, since it is larger than the sum of its proper divisors (64910797).

18072058163 is an equidigital number, since it uses as much as digits as its factorization.

18072058163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57457.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 18072058163 in words is "eighteen billion, seventy-two million, fifty-eight thousand, one hundred sixty-three".