116669 has 6 divisors (see below), whose sum is σ = 135774. Its totient is φ = 99960.

The previous prime is 116663. The next prime is 116681. The reversal of 116669 is 966611.

It can be written as a sum of positive squares in only one way, i.e., 60025 + 56644 = 245^2 + 238^2 .

It is not a de Polignac number, because 116669 - 2¹² = 112573 is a prime.

It is a super-2 number, since 2×116669² = 27223311122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1142 + ... + 1239.

It is an arithmetic number, because the mean of its divisors is an integer number (22629).

2¹¹⁶⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

116669 is a deficient number, since it is larger than the sum of its proper divisors (19105).

116669 is an equidigital number, since it uses as much as digits as its factorization.

116669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2388 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 116669 is about 341.5684411652. The cubic root of 116669 is about 48.8635660487.

The spelling of 116669 in words is "one hundred sixteen thousand, six hundred sixty-nine".