2646166 has 8 divisors (see below), whose sum is σ = 4076640. Its totient is φ = 1287288.

The previous prime is 2646113. The next prime is 2646167. The reversal of 2646166 is 6616462.

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 (2646167) 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, 17806 + ... + 17953.

It is an arithmetic number, because the mean of its divisors is an integer number (509580).

2^2646166 is an apocalyptic number.

2646166 is a deficient number, since it is larger than the sum of its proper divisors (1430474).

2646166 is a wasteful number, since it uses less digits than its factorization.

2646166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35798.

The product of its digits is 10368, while the sum is 31.

The square root of 2646166 is about 1626.7040296255. The cubic root of 2646166 is about 138.3159811141.

The spelling of 2646166 in words is "two million, six hundred forty-six thousand, one hundred sixty-six".