2604166 has 16 divisors (see below), whose sum is σ = 4048704. Its totient is φ = 1255464.

The previous prime is 2604163. The next prime is 2604167. The reversal of 2604166 is 6614062.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2604166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604163) 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, 9061 + ... + 9343.

It is an arithmetic number, because the mean of its divisors is an integer number (253044).

2^2604166 is an apocalyptic number.

2604166 is a deficient number, since it is larger than the sum of its proper divisors (1444538).

2604166 is a wasteful number, since it uses less digits than its factorization.

2604166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2604166 is about 1613.7428543606. The cubic root of 2604166 is about 137.5802902971.

The spelling of 2604166 in words is "two million, six hundred four thousand, one hundred sixty-six".