116412313543661 has 4 divisors (see below), whose sum is σ = 122539277414400. Its totient is φ = 110285349672924.

The previous prime is 116412313543579. The next prime is 116412313543679. The reversal of 116412313543661 is 166345313214611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116412313543661 - 2¹⁴ = 116412313527277 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 (116412313563661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3063481935341 + ... + 3063481935378.

It is an arithmetic number, because the mean of its divisors is an integer number (30634819353600).

Almost surely, 2^{116412313543661} is an apocalyptic number.

It is an amenable number.

116412313543661 is a deficient number, since it is larger than the sum of its proper divisors (6126963870739).

116412313543661 is an equidigital number, since it uses as much as digits as its factorization.

116412313543661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126963870738.

The product of its digits is 933120, while the sum is 47.

The spelling of 116412313543661 in words is "one hundred sixteen trillion, four hundred twelve billion, three hundred thirteen million, five hundred forty-three thousand, six hundred sixty-one".