2765166 has 16 divisors (see below), whose sum is σ = 5609088. Its totient is φ = 908600.

The previous prime is 2765143. The next prime is 2765173. The reversal of 2765166 is 6615672.

2765166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2765166² = 15292286015112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820 + ... + 3671.

It is an arithmetic number, because the mean of its divisors is an integer number (350568).

2^2765166 is an apocalyptic number.

2765166 is an abundant number, since it is smaller than the sum of its proper divisors (2843922).

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

2765166 is a wasteful number, since it uses less digits than its factorization.

2765166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6567.

The product of its digits is 15120, while the sum is 33.

The square root of 2765166 is about 1662.8788290191. The cubic root of 2765166 is about 140.3590443930.

The spelling of 2765166 in words is "two million, seven hundred sixty-five thousand, one hundred sixty-six".