2147166 has 24 divisors (see below), whose sum is σ = 5317104. Its totient is φ = 613440.

The previous prime is 2147161. The next prime is 2147177. The reversal of 2147166 is 6617412.

It is a super-2 number, since 2×2147166² = 9220643663112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8395 + ... + 8646.

It is an arithmetic number, because the mean of its divisors is an integer number (221546).

2^2147166 is an apocalyptic number.

2147166 is an abundant number, since it is smaller than the sum of its proper divisors (3169938).

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

2147166 is a wasteful number, since it uses less digits than its factorization.

2147166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17056 (or 17053 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2147166 is about 1465.3211252145. The cubic root of 2147166 is about 129.0095540067.

It can be divided in two parts, 21471 and 66, that multiplied together give a triangular number (1417086 = T₁₆₈₃).

The spelling of 2147166 in words is "two million, one hundred forty-seven thousand, one hundred sixty-six".