116605656361 has 4 divisors (see below), whose sum is σ = 116608522324. Its totient is φ = 116602790400.

The previous prime is 116605656347. The next prime is 116605656367. The reversal of 116605656361 is 163656506611.

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 47091170025 + 69514486336 = 217005^2 + 263656^2 .

It is a cyclic number.

It is not a de Polignac number, because 116605656361 - 2³⁵ = 82245917993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116605656367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1371060 + ... + 1453621.

It is an arithmetic number, because the mean of its divisors is an integer number (29152130581).

Almost surely, 2^116605656361 is an apocalyptic number.

It is an amenable number.

116605656361 is a deficient number, since it is larger than the sum of its proper divisors (2865963).

116605656361 is an equidigital number, since it uses as much as digits as its factorization.

116605656361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865962.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 116605656361 in words is "one hundred sixteen billion, six hundred five million, six hundred fifty-six thousand, three hundred sixty-one".