116661773677 has 4 divisors (see below), whose sum is σ = 116668810080. Its totient is φ = 116654737276.

The previous prime is 116661773653. The next prime is 116661773681. The reversal of 116661773677 is 776377166611.

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 116661773677 - 2⁷ = 116661773549 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116661773077) 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, 3493273 + ... + 3526510.

It is an arithmetic number, because the mean of its divisors is an integer number (29167202520).

Almost surely, 2^116661773677 is an apocalyptic number.

It is an amenable number.

116661773677 is a deficient number, since it is larger than the sum of its proper divisors (7036403).

116661773677 is an equidigital number, since it uses as much as digits as its factorization.

116661773677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7036402.

The product of its digits is 9335088, while the sum is 58.

The spelling of 116661773677 in words is "one hundred sixteen billion, six hundred sixty-one million, seven hundred seventy-three thousand, six hundred seventy-seven".