116616165811 has 4 divisors (see below), whose sum is σ = 116664982000. Its totient is φ = 116567349624.

The previous prime is 116616165751. The next prime is 116616165821. The reversal of 116616165811 is 118561616611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 116616165811 - 2⁷ = 116616165683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116616165821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24404511 + ... + 24409288.

It is an arithmetic number, because the mean of its divisors is an integer number (29166245500).

Almost surely, 2^116616165811 is an apocalyptic number.

116616165811 is a deficient number, since it is larger than the sum of its proper divisors (48816189).

116616165811 is an equidigital number, since it uses as much as digits as its factorization.

116616165811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48816188.

The product of its digits is 51840, while the sum is 43.

The spelling of 116616165811 in words is "one hundred sixteen billion, six hundred sixteen million, one hundred sixty-five thousand, eight hundred eleven".