18104672735 has 16 divisors (see below), whose sum is σ = 21935944800. Its totient is φ = 14343647616.

The previous prime is 18104672713. The next prime is 18104672737. The reversal of 18104672735 is 53727640181.

It is a cyclic number.

It is not a de Polignac number, because 18104672735 - 2¹⁴ = 18104656351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18104672737) 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, 1251212 + ... + 1265598.

It is an arithmetic number, because the mean of its divisors is an integer number (1370996550).

Almost surely, 2^18104672735 is an apocalyptic number.

18104672735 is a deficient number, since it is larger than the sum of its proper divisors (3831272065).

18104672735 is a wasteful number, since it uses less digits than its factorization.

18104672735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16810.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 18104672735 in words is "eighteen billion, one hundred four million, six hundred seventy-two thousand, seven hundred thirty-five".