18106368127 has 16 divisors (see below), whose sum is σ = 18567820512. Its totient is φ = 17650667520.

The previous prime is 18106368113. The next prime is 18106368187. The reversal of 18106368127 is 72186360181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18106368127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18106368187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6575583 + ... + 6578335.

It is an arithmetic number, because the mean of its divisors is an integer number (1160488782).

Almost surely, 2^18106368127 is an apocalyptic number.

18106368127 is a deficient number, since it is larger than the sum of its proper divisors (461452385).

18106368127 is a wasteful number, since it uses less digits than its factorization.

18106368127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 18106368127 in words is "eighteen billion, one hundred six million, three hundred sixty-eight thousand, one hundred twenty-seven".