108577700343661 has 4 divisors (see below), whose sum is σ = 108641233230300. Its totient is φ = 108514167457024.

The previous prime is 108577700343599. The next prime is 108577700343701. The reversal of 108577700343661 is 166343007775801.

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 56052458738761 + 52525241604900 = 7486819^2 + 7247430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108577700343661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108577700343596 and 108577700343605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108577700383661) 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, 31766440756 + ... + 31766444173.

It is an arithmetic number, because the mean of its divisors is an integer number (27160308307575).

Almost surely, 2^{108577700343661} is an apocalyptic number.

It is an amenable number.

108577700343661 is a deficient number, since it is larger than the sum of its proper divisors (63532886639).

108577700343661 is an equidigital number, since it uses as much as digits as its factorization.

108577700343661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63532886638.

The product of its (nonzero) digits is 17781120, while the sum is 58.

The spelling of 108577700343661 in words is "one hundred eight trillion, five hundred seventy-seven billion, seven hundred million, three hundred forty-three thousand, six hundred sixty-one".