116556266 has 4 divisors (see below), whose sum is σ = 174834402. Its totient is φ = 58278132.

The previous prime is 116556263. The next prime is 116556281. The reversal of 116556266 is 662655611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114811225 + 1745041 = 10715^2 + 1321^2 .

It is not an unprimeable number, because it can be changed into a prime (116556263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29139065 + ... + 29139068.

Almost surely, 2^116556266 is an apocalyptic number.

116556266 is a deficient number, since it is larger than the sum of its proper divisors (58278136).

116556266 is an equidigital number, since it uses as much as digits as its factorization.

116556266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58278135.

The product of its digits is 64800, while the sum is 38.

The square root of 116556266 is about 10796.1227299434. The cubic root of 116556266 is about 488.4782247651.

The spelling of 116556266 in words is "one hundred sixteen million, five hundred fifty-six thousand, two hundred sixty-six".