368321161999 has 4 divisors (see below), whose sum is σ = 420938470864. Its totient is φ = 315703853136.

The previous prime is 368321161997. The next prime is 368321162003. The reversal of 368321161999 is 999161123863.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 368321161999 - 2¹ = 368321161997 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 (368321161997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26308654422 + ... + 26308654435.

It is an arithmetic number, because the mean of its divisors is an integer number (105234617716).

Almost surely, 2^368321161999 is an apocalyptic number.

368321161999 is a deficient number, since it is larger than the sum of its proper divisors (52617308865).

368321161999 is an equidigital number, since it uses as much as digits as its factorization.

368321161999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52617308864.

The product of its digits is 3779136, while the sum is 58.

The spelling of 368321161999 in words is "three hundred sixty-eight billion, three hundred twenty-one million, one hundred sixty-one thousand, nine hundred ninety-nine".