16541966 has 12 divisors (see below), whose sum is σ = 28383768. Its totient is φ = 7082892.

The previous prime is 16541963. The next prime is 16541981. The reversal of 16541966 is 66914561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16541963) 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 5 ways as a sum of consecutive naturals, for example, 14675 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (2365314).

Almost surely, 2^16541966 is an apocalyptic number.

16541966 is a deficient number, since it is larger than the sum of its proper divisors (11841802).

16541966 is an frugal number, since it uses more digits than its factorization.

16541966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 1096 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 16541966 is about 4067.1815794233. The cubic root of 16541966 is about 254.7978200054.

The spelling of 16541966 in words is "sixteen million, five hundred forty-one thousand, nine hundred sixty-six".