116666669 has 16 divisors (see below), whose sum is σ = 140659200. Its totient is φ = 94528944.

The previous prime is 116666663. The next prime is 116666713. The reversal of 116666669 is 966666611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116666669 is a prime.

It is a super-2 number, since 2×116666669² = 27222223311111122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116666663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97694 + ... + 98880.

It is an arithmetic number, because the mean of its divisors is an integer number (8791200).

Almost surely, 2^116666669 is an apocalyptic number.

116666669 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

116666669 is a deficient number, since it is larger than the sum of its proper divisors (23992531).

116666669 is a wasteful number, since it uses less digits than its factorization.

116666669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its digits is 419904, while the sum is 47.

The square root of 116666669 is about 10801.2346053588. The cubic root of 116666669 is about 488.6324062170.

The spelling of 116666669 in words is "one hundred sixteen million, six hundred sixty-six thousand, six hundred sixty-nine".