6466166 has 32 divisors (see below), whose sum is σ = 11722752. Its totient is φ = 2616480.

The previous prime is 6466147. The next prime is 6466177. The reversal of 6466166 is 6616646.

It is a super-2 number, since 2×6466166² = 83622605479112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20240 + ... + 20556.

It is an arithmetic number, because the mean of its divisors is an integer number (366336).

Almost surely, 2^6466166 is an apocalyptic number.

6466166 is a deficient number, since it is larger than the sum of its proper divisors (5256586).

6466166 is a wasteful number, since it uses less digits than its factorization.

6466166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its digits is 31104, while the sum is 35.

The square root of 6466166 is about 2542.8657062456. The cubic root of 6466166 is about 186.3011846771.

The spelling of 6466166 in words is "six million, four hundred sixty-six thousand, one hundred sixty-six".