16866046 has 16 divisors (see below), whose sum is σ = 26265600. Its totient is φ = 8114040.

The previous prime is 16866029. The next prime is 16866049. The reversal of 16866046 is 64066861.

It is a junction number, because it is equal to n+sod(n) for n = 16865996 and 16866014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16866049) 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 7 ways as a sum of consecutive naturals, for example, 11655 + ... + 13021.

It is an arithmetic number, because the mean of its divisors is an integer number (1641600).

Almost surely, 2^16866046 is an apocalyptic number.

16866046 is a deficient number, since it is larger than the sum of its proper divisors (9399554).

16866046 is a wasteful number, since it uses less digits than its factorization.

16866046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 16866046 is about 4106.8291905070. The cubic root of 16866046 is about 256.4510176801.

The spelling of 16866046 in words is "sixteen million, eight hundred sixty-six thousand, forty-six".