116665169 has 8 divisors (see below), whose sum is σ = 125221320. Its totient is φ = 108297216.

The previous prime is 116665163. The next prime is 116665189. The reversal of 116665169 is 961566611.

It can be written as a sum of positive squares in 4 ways, for example, as 6310144 + 110355025 = 2512^2 + 10505^2 .

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 116665169 - 2⁸ = 116664913 is a prime.

It is a super-2 number, since 2×116665169² = 27221523315597122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116665163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45764 + ... + 48245.

It is an arithmetic number, because the mean of its divisors is an integer number (15652665).

Almost surely, 2^116665169 is an apocalyptic number.

It is an amenable number.

116665169 is a deficient number, since it is larger than the sum of its proper divisors (8556151).

116665169 is an equidigital number, since it uses as much as digits as its factorization.

116665169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94099.

The product of its digits is 58320, while the sum is 41.

The square root of 116665169 is about 10801.1651686288. The cubic root of 116665169 is about 488.6303120691.

The spelling of 116665169 in words is "one hundred sixteen million, six hundred sixty-five thousand, one hundred sixty-nine".