18049593165 has 8 divisors (see below), whose sum is σ = 28879349088. Its totient is φ = 9626449680.

The previous prime is 18049593161. The next prime is 18049593193. The reversal of 18049593165 is 56139594081.

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

It is not a de Polignac number, because 18049593165 - 2² = 18049593161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18049593161) 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, 601653091 + ... + 601653120.

It is an arithmetic number, because the mean of its divisors is an integer number (3609918636).

Almost surely, 2^18049593165 is an apocalyptic number.

18049593165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18049593165 is a deficient number, since it is larger than the sum of its proper divisors (10829755923).

18049593165 is a wasteful number, since it uses less digits than its factorization.

18049593165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203306219.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 18049593165 in words is "eighteen billion, forty-nine million, five hundred ninety-three thousand, one hundred sixty-five".