16427667199 has 4 divisors (see below), whose sum is σ = 16429343320. Its totient is φ = 16425991080.

The previous prime is 16427667181. The next prime is 16427667203. The reversal of 16427667199 is 99176672461.

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

It is a cyclic number.

It is not a de Polignac number, because 16427667199 - 2⁷ = 16427667071 is a prime.

It is a super-2 number, since 2×16427667199² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16427667799) 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, 823272 + ... + 842989.

It is an arithmetic number, because the mean of its divisors is an integer number (4107335830).

Almost surely, 2^16427667199 is an apocalyptic number.

16427667199 is a deficient number, since it is larger than the sum of its proper divisors (1676121).

16427667199 is an equidigital number, since it uses as much as digits as its factorization.

16427667199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676120.

The product of its digits is 6858432, while the sum is 58.

The spelling of 16427667199 in words is "sixteen billion, four hundred twenty-seven million, six hundred sixty-seven thousand, one hundred ninety-nine".