2166095 has 12 divisors (see below), whose sum is σ = 2754360. Its totient is φ = 1630800.

The previous prime is 2166077. The next prime is 2166113. The reversal of 2166095 is 5906612.

2166095 = 220² + 221² + ... + 257².

It is an interprime number because it is at equal distance from previous prime (2166077) and next prime (2166113).

It is not a de Polignac number, because 2166095 - 2¹⁴ = 2149711 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14270 + ... + 14420.

It is an arithmetic number, because the mean of its divisors is an integer number (229530).

2^2166095 is an apocalyptic number.

2166095 is a deficient number, since it is larger than the sum of its proper divisors (588265).

2166095 is an equidigital number, since it uses as much as digits as its factorization.

2166095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2166095 is about 1471.7659460662. The cubic root of 2166095 is about 129.3875531395.

The spelling of 2166095 in words is "two million, one hundred sixty-six thousand, ninety-five".