4008166 has 4 divisors (see below), whose sum is σ = 6012252. Its totient is φ = 2004082.

The previous prime is 4008161. The next prime is 4008181. The reversal of 4008166 is 6618004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4008166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4008161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002040 + ... + 1002043.

It is an arithmetic number, because the mean of its divisors is an integer number (1503063).

Almost surely, 2^4008166 is an apocalyptic number.

4008166 is a deficient number, since it is larger than the sum of its proper divisors (2004086).

4008166 is a wasteful number, since it uses less digits than its factorization.

4008166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004085.

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

The square root of 4008166 is about 2002.0404591316. The cubic root of 4008166 is about 158.8480544123.

The spelling of 4008166 in words is "four million, eight thousand, one hundred sixty-six".