116168281 has 8 divisors (see below), whose sum is σ = 117701064. Its totient is φ = 114643200.

The previous prime is 116168279. The next prime is 116168291. The reversal of 116168281 is 182861611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64256256 + 51912025 = 8016^2 + 7205^2 .

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 116168281 - 2¹ = 116168279 is a prime.

It is a super-2 number, since 2×116168281² = 26990139020989922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116168251) 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, 32331 + ... + 35743.

It is an arithmetic number, because the mean of its divisors is an integer number (14712633).

Almost surely, 2^116168281 is an apocalyptic number.

It is an amenable number.

116168281 is a deficient number, since it is larger than the sum of its proper divisors (1532783).

116168281 is a wasteful number, since it uses less digits than its factorization.

116168281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3851.

The product of its digits is 4608, while the sum is 34.

The square root of 116168281 is about 10778.1390323191. The cubic root of 116168281 is about 487.9356172901.

The spelling of 116168281 in words is "one hundred sixteen million, one hundred sixty-eight thousand, two hundred eighty-one".