2116166 has 16 divisors (see below), whose sum is σ = 3444000. Its totient is φ = 969408.

The previous prime is 2116129. The next prime is 2116183. The reversal of 2116166 is 6616112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4970 + ... + 5378.

It is an arithmetic number, because the mean of its divisors is an integer number (215250).

2^2116166 is an apocalyptic number.

2116166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2116166 is a deficient number, since it is larger than the sum of its proper divisors (1327834).

2116166 is a wasteful number, since it uses less digits than its factorization.

2116166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its digits is 432, while the sum is 23.

The square root of 2116166 is about 1454.7047810467. The cubic root of 2116166 is about 128.3856775658.

The spelling of 2116166 in words is "two million, one hundred sixteen thousand, one hundred sixty-six".