16042799 has 4 divisors (see below), whose sum is σ = 16740336. Its totient is φ = 15345264.

The previous prime is 16042787. The next prime is 16042801. The reversal of 16042799 is 99724061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99724061 = 149 ⋅669289.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16042799 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 (16042759) 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, 348734 + ... + 348779.

It is an arithmetic number, because the mean of its divisors is an integer number (4185084).

Almost surely, 2^16042799 is an apocalyptic number.

16042799 is a deficient number, since it is larger than the sum of its proper divisors (697537).

16042799 is an equidigital number, since it uses as much as digits as its factorization.

16042799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697536.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 16042799 is about 4005.3463021317. The cubic root of 16042799 is about 252.2086906115.

The spelling of 16042799 in words is "sixteen million, forty-two thousand, seven hundred ninety-nine".