16799866 has 16 divisors (see below), whose sum is σ = 25583040. Its totient is φ = 8273440.

The previous prime is 16799863. The next prime is 16799879. The reversal of 16799866 is 66899761.

It is not an unprimeable number, because it can be changed into a prime (16799863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59646 + ... + 59926.

It is an arithmetic number, because the mean of its divisors is an integer number (1598940).

Almost surely, 2^16799866 is an apocalyptic number.

16799866 is a deficient number, since it is larger than the sum of its proper divisors (8783174).

16799866 is a wasteful number, since it uses less digits than its factorization.

16799866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its digits is 979776, while the sum is 52.

The square root of 16799866 is about 4098.7639600250. The cubic root of 16799866 is about 256.1151520528.

The spelling of 16799866 in words is "sixteen million, seven hundred ninety-nine thousand, eight hundred sixty-six".