116636062166221 has 4 divisors (see below), whose sum is σ = 125608066948252. Its totient is φ = 107664057384192.

The previous prime is 116636062166189. The next prime is 116636062166279. The reversal of 116636062166221 is 122661260636611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44541341644900 + 72094720521321 = 6673930^2 + 8490861^2 .

It is a cyclic number.

It is not a de Polignac number, because 116636062166221 - 2⁵ = 116636062166189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116636062166021) 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, 4486002390996 + ... + 4486002391021.

It is an arithmetic number, because the mean of its divisors is an integer number (31402016737063).

Almost surely, 2^{116636062166221} is an apocalyptic number.

It is an amenable number.

116636062166221 is a deficient number, since it is larger than the sum of its proper divisors (8972004782031).

116636062166221 is an equidigital number, since it uses as much as digits as its factorization.

116636062166221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8972004782030.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 116636062166221 in words is "one hundred sixteen trillion, six hundred thirty-six billion, sixty-two million, one hundred sixty-six thousand, two hundred twenty-one".