18165741436009 has 8 divisors (see below), whose sum is σ = 19090584339200. Its totient is φ = 17263734160176.

The previous prime is 18165741436001. The next prime is 18165741436049. The reversal of 18165741436009 is 90063414756181.

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

It is a cyclic number.

It is not a de Polignac number, because 18165741436009 - 2³ = 18165741436001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18165741436001) 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, 5708905209 + ... + 5708908390.

It is an arithmetic number, because the mean of its divisors is an integer number (2386323042400).

Almost surely, 2^{18165741436009} is an apocalyptic number.

It is an amenable number.

18165741436009 is a deficient number, since it is larger than the sum of its proper divisors (924842903191).

18165741436009 is a wasteful number, since it uses less digits than its factorization.

18165741436009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11417813679.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 18165741436009 in words is "eighteen trillion, one hundred sixty-five billion, seven hundred forty-one million, four hundred thirty-six thousand, nine".