18434016667 has 8 divisors (see below), whose sum is σ = 20184597360. Its totient is φ = 16695896160.

The previous prime is 18434016649. The next prime is 18434016677. The reversal of 18434016667 is 76661043481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18434016667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18434016617) 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, 3111948 + ... + 3117865.

It is an arithmetic number, because the mean of its divisors is an integer number (2523074670).

Almost surely, 2^18434016667 is an apocalyptic number.

18434016667 is a deficient number, since it is larger than the sum of its proper divisors (1750580693).

18434016667 is a wasteful number, since it uses less digits than its factorization.

18434016667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230093.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 18434016667 in words is "eighteen billion, four hundred thirty-four million, sixteen thousand, six hundred sixty-seven".