18006413161163 has 8 divisors (see below), whose sum is σ = 20578843188960. Its totient is φ = 15434004456000.

The previous prime is 18006413161117. The next prime is 18006413161171. The reversal of 18006413161163 is 36116131460081.

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 18006413161163 - 2⁴⁴ = 414227116747 is a prime.

It is a super-2 number, since 2×18006413161163² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18006413161163.

It is not an unprimeable number, because it can be changed into a prime (18006413161193) 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, 3478148 + ... + 6936161.

It is an arithmetic number, because the mean of its divisors is an integer number (2572355398620).

Almost surely, 2^{18006413161163} is an apocalyptic number.

18006413161163 is a deficient number, since it is larger than the sum of its proper divisors (2572430027797).

18006413161163 is a wasteful number, since it uses less digits than its factorization.

18006413161163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661317.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 18006413161163 in words is "eighteen trillion, six billion, four hundred thirteen million, one hundred sixty-one thousand, one hundred sixty-three".