16007899 has 4 divisors (see below), whose sum is σ = 16850440. Its totient is φ = 15165360.

The previous prime is 16007891. The next prime is 16007909. The reversal of 16007899 is 99870061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99870061 = 19 ⋅5256319.

It is a cyclic number.

It is not a de Polignac number, because 16007899 - 2³ = 16007891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16007891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421242 + ... + 421279.

It is an arithmetic number, because the mean of its divisors is an integer number (4212610).

Almost surely, 2^16007899 is an apocalyptic number.

16007899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16007899 is a deficient number, since it is larger than the sum of its proper divisors (842541).

16007899 is an equidigital number, since it uses as much as digits as its factorization.

16007899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842540.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 16007899 is about 4000.9872531664. The cubic root of 16007899 is about 252.0256703085.

The spelling of 16007899 in words is "sixteen million, seven thousand, eight hundred ninety-nine".