8400166 has 16 divisors (see below), whose sum is σ = 13320000. Its totient is φ = 3962088.

The previous prime is 8400157. The next prime is 8400167. The reversal of 8400166 is 6610048.

It is a self number, because there is not a number n which added to its sum of digits gives 8400166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8400167) 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, 16585 + ... + 17083.

It is an arithmetic number, because the mean of its divisors is an integer number (832500).

Almost surely, 2^8400166 is an apocalyptic number.

8400166 is a deficient number, since it is larger than the sum of its proper divisors (4919834).

8400166 is a wasteful number, since it uses less digits than its factorization.

8400166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8400166 is about 2898.3039868171. The cubic root of 8400166 is about 203.2806104160.

The spelling of 8400166 in words is "eight million, four hundred thousand, one hundred sixty-six".