116566278 has 16 divisors (see below), whose sum is σ = 233828400. Its totient is φ = 38739456.

The previous prime is 116566253. The next prime is 116566291. The reversal of 116566278 is 872665611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26803 + ... + 30846.

It is an arithmetic number, because the mean of its divisors is an integer number (14614275).

Almost surely, 2^116566278 is an apocalyptic number.

116566278 is an abundant number, since it is smaller than the sum of its proper divisors (117262122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116566278 is a wasteful number, since it uses less digits than its factorization.

116566278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57991.

The product of its digits is 120960, while the sum is 42.

The square root of 116566278 is about 10796.5864049708. The cubic root of 116566278 is about 488.4922108685.

The spelling of 116566278 in words is "one hundred sixteen million, five hundred sixty-six thousand, two hundred seventy-eight".