16445906 has 16 divisors (see below), whose sum is σ = 26079360. Its totient is φ = 7756560.

The previous prime is 16445893. The next prime is 16445969. The reversal of 16445906 is 60954461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9500 + ... + 11096.

It is an arithmetic number, because the mean of its divisors is an integer number (1629960).

Almost surely, 2^16445906 is an apocalyptic number.

16445906 is a deficient number, since it is larger than the sum of its proper divisors (9633454).

16445906 is a wasteful number, since it uses less digits than its factorization.

16445906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 16445906 is about 4055.3552248847. The cubic root of 16445906 is about 254.3036544475.

The spelling of 16445906 in words is "sixteen million, four hundred forty-five thousand, nine hundred six".