4040166 has 16 divisors (see below), whose sum is σ = 8702064. Its totient is φ = 1243104.

The previous prime is 4040161. The next prime is 4040173. The reversal of 4040166 is 6610404.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040161) 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, 25821 + ... + 25976.

It is an arithmetic number, because the mean of its divisors is an integer number (543879).

Almost surely, 2^4040166 is an apocalyptic number.

4040166 is an abundant number, since it is smaller than the sum of its proper divisors (4661898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4040166 is a wasteful number, since it uses less digits than its factorization.

4040166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51815.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4040166 is about 2010.0164178434. The cubic root of 4040166 is about 159.2696661923.

The spelling of 4040166 in words is "four million, forty thousand, one hundred sixty-six".