116209066 has 4 divisors (see below), whose sum is σ = 174313602. Its totient is φ = 58104532.

The previous prime is 116209043. The next prime is 116209069. The reversal of 116209066 is 660902611.

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., 101425041 + 14784025 = 10071^2 + 3845^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (116209069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29052265 + ... + 29052268.

Almost surely, 2^116209066 is an apocalyptic number.

116209066 is a deficient number, since it is larger than the sum of its proper divisors (58104536).

116209066 is an equidigital number, since it uses as much as digits as its factorization.

116209066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58104535.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 116209066 is about 10780.0308904938. The cubic root of 116209066 is about 487.9927129835.

The spelling of 116209066 in words is "one hundred sixteen million, two hundred nine thousand, sixty-six".