2687166 has 12 divisors (see below), whose sum is σ = 5822232. Its totient is φ = 895716.

The previous prime is 2687161. The next prime is 2687183. The reversal of 2687166 is 6617862.

It is a happy number.

It is a super-2 number, since 2×2687166² = 14441722223112, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2687166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74626 + ... + 74661.

It is an arithmetic number, because the mean of its divisors is an integer number (485186).

2^2687166 is an apocalyptic number.

2687166 is an abundant number, since it is smaller than the sum of its proper divisors (3135066).

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

2687166 is a wasteful number, since it uses less digits than its factorization.

2687166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149295 (or 149292 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2687166 is about 1639.2577588653. The cubic root of 2687166 is about 139.0266843168.

The spelling of 2687166 in words is "two million, six hundred eighty-seven thousand, one hundred sixty-six".