116662281 has 4 divisors (see below), whose sum is σ = 155549712. Its totient is φ = 77774852.

The previous prime is 116662243. The next prime is 116662297. The reversal of 116662281 is 182266611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116662281 - 2¹⁹ = 116137993 is a prime.

It is a super-2 number, since 2×116662281² = 27220175616245922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116662201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19443711 + ... + 19443716.

It is an arithmetic number, because the mean of its divisors is an integer number (38887428).

Almost surely, 2^116662281 is an apocalyptic number.

It is an amenable number.

116662281 is a deficient number, since it is larger than the sum of its proper divisors (38887431).

116662281 is an equidigital number, since it uses as much as digits as its factorization.

116662281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38887430.

The product of its digits is 6912, while the sum is 33.

The square root of 116662281 is about 10801.0314785209. The cubic root of 116662281 is about 488.6262800860.

The spelling of 116662281 in words is "one hundred sixteen million, six hundred sixty-two thousand, two hundred eighty-one".