5538148666163 has 4 divisors (see below), whose sum is σ = 5716798623168. Its totient is φ = 5359498709160.

The previous prime is 5538148666159. The next prime is 5538148666177. The reversal of 5538148666163 is 3616668418355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5538148666163 - 2² = 5538148666159 is a prime.

It is a super-2 number, since 2×5538148666163² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5538148666096 and 5538148666105.

It is not an unprimeable number, because it can be changed into a prime (5538148666153) 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, 89324978456 + ... + 89324978517.

It is an arithmetic number, because the mean of its divisors is an integer number (1429199655792).

Almost surely, 2^{5538148666163} is an apocalyptic number.

5538148666163 is a deficient number, since it is larger than the sum of its proper divisors (178649957005).

5538148666163 is a wasteful number, since it uses less digits than its factorization.

5538148666163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178649957004.

The product of its digits is 74649600, while the sum is 62.

The spelling of 5538148666163 in words is "five trillion, five hundred thirty-eight billion, one hundred forty-eight million, six hundred sixty-six thousand, one hundred sixty-three".