116618 has 4 divisors (see below), whose sum is σ = 174930. Its totient is φ = 58308.

The previous prime is 116593. The next prime is 116639. The reversal of 116618 is 816611.

It is a happy number.

116618 is nontrivially palindromic in base 6.

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., 100489 + 16129 = 317^2 + 127^2 .

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 116593 and 116602.

It is an unprimeable number.

116618 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29153 + ... + 29156.

2¹¹⁶⁶¹⁸ is an apocalyptic number.

116618 is a deficient number, since it is larger than the sum of its proper divisors (58312).

116618 is an equidigital number, since it uses as much as digits as its factorization.

116618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58311.

The product of its digits is 288, while the sum is 23.

The square root of 116618 is about 341.4937773957. The cubic root of 116618 is about 48.8564450338.

The spelling of 116618 in words is "one hundred sixteen thousand, six hundred eighteen".