18142177163 has 16 divisors (see below), whose sum is σ = 19922334432. Its totient is φ = 16384032000.

The previous prime is 18142177133. The next prime is 18142177169. The reversal of 18142177163 is 36177124181.

It is a cyclic number.

It is not a de Polignac number, because 18142177163 - 2⁸ = 18142176907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18142177163.

It is not an unprimeable number, because it can be changed into a prime (18142177169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2052293 + ... + 2061113.

It is an arithmetic number, because the mean of its divisors is an integer number (1245145902).

Almost surely, 2^18142177163 is an apocalyptic number.

18142177163 is a deficient number, since it is larger than the sum of its proper divisors (1780157269).

18142177163 is a wasteful number, since it uses less digits than its factorization.

18142177163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10046.

The product of its digits is 56448, while the sum is 41.

The spelling of 18142177163 in words is "eighteen billion, one hundred forty-two million, one hundred seventy-seven thousand, one hundred sixty-three".