18164748268799 has 16 divisors (see below), whose sum is σ = 21155144162976. Its totient is φ = 15542030584960.

The previous prime is 18164748268787. The next prime is 18164748268817. The reversal of 18164748268799 is 99786284746181.

It is not a de Polignac number, because 18164748268799 - 2⁸ = 18164748268543 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 (18164748268769) 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, 401372792 + ... + 401418045.

It is an arithmetic number, because the mean of its divisors is an integer number (1322196510186).

Almost surely, 2^{18164748268799} is an apocalyptic number.

18164748268799 is a deficient number, since it is larger than the sum of its proper divisors (2990395894177).

18164748268799 is an equidigital number, since it uses as much as digits as its factorization.

18164748268799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802790887 (or 802790865 counting only the distinct ones).

The product of its digits is 2341011456, while the sum is 80.

The spelling of 18164748268799 in words is "eighteen trillion, one hundred sixty-four billion, seven hundred forty-eight million, two hundred sixty-eight thousand, seven hundred ninety-nine".