16078899 has 4 divisors (see below), whose sum is σ = 21438536. Its totient is φ = 10719264.

The previous prime is 16078891. The next prime is 16078903. The reversal of 16078899 is 99887061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99887061 = 3 ⋅33295687.

It is not a de Polignac number, because 16078899 - 2³ = 16078891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16078891) 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, 2679814 + ... + 2679819.

It is an arithmetic number, because the mean of its divisors is an integer number (5359634).

Almost surely, 2^16078899 is an apocalyptic number.

16078899 is a deficient number, since it is larger than the sum of its proper divisors (5359637).

16078899 is an equidigital number, since it uses as much as digits as its factorization.

16078899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5359636.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 16078899 is about 4009.8502465803. The cubic root of 16078899 is about 252.3977248111.

The spelling of 16078899 in words is "sixteen million, seventy-eight thousand, eight hundred ninety-nine".