2168800399 has 8 divisors (see below), whose sum is σ = 2250383408. Its totient is φ = 2088426240.

The previous prime is 2168800379. The next prime is 2168800451. The reversal of 2168800399 is 9930088612.

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 2168800399 - 2¹⁵ = 2168767631 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 (2168800379) 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, 298557 + ... + 305734.

It is an arithmetic number, because the mean of its divisors is an integer number (281297926).

Almost surely, 2^2168800399 is an apocalyptic number.

2168800399 is a deficient number, since it is larger than the sum of its proper divisors (81583009).

2168800399 is an equidigital number, since it uses as much as digits as its factorization.

2168800399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604425.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 2168800399 is about 46570.3811343648. The cubic root of 2168800399 is about 1294.4139801170.

The spelling of 2168800399 in words is "two billion, one hundred sixty-eight million, eight hundred thousand, three hundred ninety-nine".