116666205 has 16 divisors (see below), whose sum is σ = 186810624. Its totient is φ = 62173760.

The previous prime is 116666203. The next prime is 116666233. The reversal of 116666205 is 502666611.

It is not a de Polignac number, because 116666205 - 2¹ = 116666203 is a prime.

It is a super-2 number, since 2×116666205² = 27222006778204050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116666201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25987 + ... + 30143.

It is an arithmetic number, because the mean of its divisors is an integer number (11675664).

Almost surely, 2^116666205 is an apocalyptic number.

116666205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116666205 is a deficient number, since it is larger than the sum of its proper divisors (70144419).

116666205 is a wasteful number, since it uses less digits than its factorization.

116666205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 116666205 is about 10801.2131263113. The cubic root of 116666205 is about 488.6317584292.

It can be divided in two parts, 11666 and 6205, that added together give a palindrome (17871).

The spelling of 116666205 in words is "one hundred sixteen million, six hundred sixty-six thousand, two hundred five".