18046063117 has 4 divisors (see below), whose sum is σ = 18183819456. Its totient is φ = 17908306780.

The previous prime is 18046063109. The next prime is 18046063127. The reversal of 18046063117 is 71136064081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18046063117 - 2³ = 18046063109 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 (18046063127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68877973 + ... + 68878234.

It is an arithmetic number, because the mean of its divisors is an integer number (4545954864).

Almost surely, 2^18046063117 is an apocalyptic number.

It is an amenable number.

18046063117 is a deficient number, since it is larger than the sum of its proper divisors (137756339).

18046063117 is a wasteful number, since it uses less digits than its factorization.

18046063117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137756338.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 18046063117 in words is "eighteen billion, forty-six million, sixty-three thousand, one hundred seventeen".