16427799 has 32 divisors (see below), whose sum is σ = 26470400. Its totient is φ = 10031040.

The previous prime is 16427759. The next prime is 16427809. The reversal of 16427799 is 99772461.

It is not a de Polignac number, because 16427799 - 2¹² = 16423703 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 (16427759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15387 + ... + 16419.

It is an arithmetic number, because the mean of its divisors is an integer number (827200).

Almost surely, 2^16427799 is an apocalyptic number.

16427799 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16427799 is a deficient number, since it is larger than the sum of its proper divisors (10042601).

16427799 is a wasteful number, since it uses less digits than its factorization.

16427799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1086 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 16427799 is about 4053.1221299142. The cubic root of 16427799 is about 254.2102904369.

The spelling of 16427799 in words is "sixteen million, four hundred twenty-seven thousand, seven hundred ninety-nine".