4006166 has 4 divisors (see below), whose sum is σ = 6009252. Its totient is φ = 2003082.

The previous prime is 4006153. The next prime is 4006183. The reversal of 4006166 is 6616004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001540 + ... + 1001543.

It is an arithmetic number, because the mean of its divisors is an integer number (1502313).

Almost surely, 2^4006166 is an apocalyptic number.

4006166 is a deficient number, since it is larger than the sum of its proper divisors (2003086).

4006166 is a wasteful number, since it uses less digits than its factorization.

4006166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003085.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4006166 is about 2001.5409064019. The cubic root of 4006166 is about 158.8216292788.

The spelling of 4006166 in words is "four million, six thousand, one hundred sixty-six".