16699446 has 24 divisors (see below), whose sum is σ = 37523304. Its totient is φ = 5566320.

The previous prime is 16699433. The next prime is 16699451. The reversal of 16699446 is 64499661.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16695 + ... + 17666.

It is an arithmetic number, because the mean of its divisors is an integer number (1563471).

Almost surely, 2^16699446 is an apocalyptic number.

16699446 is an abundant number, since it is smaller than the sum of its proper divisors (20823858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16699446 is an equidigital number, since it uses as much as digits as its factorization.

16699446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34378 (or 34366 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 16699446 is about 4086.4955646617. The cubic root of 16699446 is about 255.6038285481.

The spelling of 16699446 in words is "sixteen million, six hundred ninety-nine thousand, four hundred forty-six".