16066899 has 12 divisors (see below), whose sum is σ = 24008400. Its totient is φ = 10341744.

The previous prime is 16066889. The next prime is 16066901. The reversal of 16066899 is 99866061.

It is not a de Polignac number, because 16066899 - 2²⁰ = 15018323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16066829) 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 11 ways as a sum of consecutive naturals, for example, 30519 + ... + 31040.

It is an arithmetic number, because the mean of its divisors is an integer number (2000700).

Almost surely, 2^16066899 is an apocalyptic number.

16066899 is a deficient number, since it is larger than the sum of its proper divisors (7941501).

16066899 is a wasteful number, since it uses less digits than its factorization.

16066899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61594 (or 61591 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 16066899 is about 4008.3536520622. The cubic root of 16066899 is about 252.3349193813.

The spelling of 16066899 in words is "sixteen million, sixty-six thousand, eight hundred ninety-nine".