16473899 has 4 divisors (see below), whose sum is σ = 17741136. Its totient is φ = 15206664.

The previous prime is 16473889. The next prime is 16473913. The reversal of 16473899 is 99837461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99837461 = 1279 ⋅78059.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16473899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16473869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633599 + ... + 633624.

It is an arithmetic number, because the mean of its divisors is an integer number (4435284).

Almost surely, 2^16473899 is an apocalyptic number.

16473899 is a deficient number, since it is larger than the sum of its proper divisors (1267237).

16473899 is a wasteful number, since it uses less digits than its factorization.

16473899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1267236.

The product of its digits is 326592, while the sum is 47.

The square root of 16473899 is about 4058.8051197366. The cubic root of 16473899 is about 254.4478582599.

The spelling of 16473899 in words is "sixteen million, four hundred seventy-three thousand, eight hundred ninety-nine".