16003799 has 4 divisors (see below), whose sum is σ = 18290064. Its totient is φ = 13717536.

The previous prime is 16003789. The next prime is 16003859. The reversal of 16003799 is 99730061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99730061 = 83 ⋅1201567.

It is a de Polignac number, because none of the positive numbers 2^k-16003799 is a prime.

It is a super-2 number, since 2×16003799² = 512243164864802, which 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 (16003709) 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, 1143122 + ... + 1143135.

It is an arithmetic number, because the mean of its divisors is an integer number (4572516).

Almost surely, 2^16003799 is an apocalyptic number.

16003799 is a deficient number, since it is larger than the sum of its proper divisors (2286265).

16003799 is an equidigital number, since it uses as much as digits as its factorization.

16003799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286264.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 16003799 is about 4000.4748468151. The cubic root of 16003799 is about 252.0041519010.

The spelling of 16003799 in words is "sixteen million, three thousand, seven hundred ninety-nine".