16800166 has 16 divisors (see below), whose sum is σ = 26383968. Its totient is φ = 8008000.

The previous prime is 16800163. The next prime is 16800167. The reversal of 16800166 is 66100861.

16800166 = 96² + 97² + ... + 371².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16800163) 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, 23616 + ... + 24316.

It is an arithmetic number, because the mean of its divisors is an integer number (1648998).

Almost surely, 2^16800166 is an apocalyptic number.

16800166 is a deficient number, since it is larger than the sum of its proper divisors (9583802).

16800166 is a wasteful number, since it uses less digits than its factorization.

16800166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 16800166 is about 4098.8005562603. The cubic root of 16800166 is about 256.1166765508.

The spelling of 16800166 in words is "sixteen million, eight hundred thousand, one hundred sixty-six".