2656166 has 8 divisors (see below), whose sum is σ = 4032504. Its totient is φ = 1312000.

The previous prime is 2656163. The next prime is 2656169. The reversal of 2656166 is 6616562.

It is an interprime number because it is at equal distance from previous prime (2656163) and next prime (2656169).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7835 + ... + 8166.

It is an arithmetic number, because the mean of its divisors is an integer number (504063).

2^2656166 is an apocalyptic number.

2656166 is a deficient number, since it is larger than the sum of its proper divisors (1376338).

2656166 is a wasteful number, since it uses less digits than its factorization.

2656166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16086.

The product of its digits is 12960, while the sum is 32.

The square root of 2656166 is about 1629.7748310733. The cubic root of 2656166 is about 138.4899965406.

It can be divided in two parts, 2656 and 166, that multiplied together give a square (440896 = 664²).

The spelling of 2656166 in words is "two million, six hundred fifty-six thousand, one hundred sixty-six".