116666111 has 8 divisors (see below), whose sum is σ = 118100400. Its totient is φ = 115240320.

The previous prime is 116666093. The next prime is 116666117. The reversal of 116666111 is 111666611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116666111 - 2¹⁴ = 116649727 is a prime.

It is a super-2 number, since 2×116666111² = 27221962911728642, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116666117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28055 + ... + 31943.

It is an arithmetic number, because the mean of its divisors is an integer number (14762550).

Almost surely, 2^116666111 is an apocalyptic number.

116666111 is a deficient number, since it is larger than the sum of its proper divisors (1434289).

116666111 is a wasteful number, since it uses less digits than its factorization.

116666111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249.

The product of its digits is 1296, while the sum is 29.

The square root of 116666111 is about 10801.2087749474. The cubic root of 116666111 is about 488.6316271961.

The spelling of 116666111 in words is "one hundred sixteen million, six hundred sixty-six thousand, one hundred eleven".