16369311999 has 8 divisors (see below), whose sum is σ = 22102024960. Its totient is φ = 10774736856.

The previous prime is 16369311989. The next prime is 16369312021. The reversal of 16369311999 is 99911396361.

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

It is not a de Polignac number, because 16369311999 - 2⁴ = 16369311983 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 (16369311949) 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, 34534177 + ... + 34534650.

It is an arithmetic number, because the mean of its divisors is an integer number (2762753120).

Almost surely, 2^16369311999 is an apocalyptic number.

16369311999 is a deficient number, since it is larger than the sum of its proper divisors (5732712961).

16369311999 is an equidigital number, since it uses as much as digits as its factorization.

16369311999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69068909.

The product of its digits is 2125764, while the sum is 57.

The spelling of 16369311999 in words is "sixteen billion, three hundred sixty-nine million, three hundred eleven thousand, nine hundred ninety-nine".