185368685361 has 4 divisors (see below), whose sum is σ = 247158247152. Its totient is φ = 123579123572.

The previous prime is 185368685347. The next prime is 185368685371. The reversal of 185368685361 is 163586863581.

185368685361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 185368685361 - 2¹⁰ = 185368684337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 185368685295 and 185368685304.

It is not an unprimeable number, because it can be changed into a prime (185368685371) 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, 30894780891 + ... + 30894780896.

It is an arithmetic number, because the mean of its divisors is an integer number (61789561788).

Almost surely, 2^185368685361 is an apocalyptic number.

It is an amenable number.

185368685361 is a deficient number, since it is larger than the sum of its proper divisors (61789561791).

185368685361 is an equidigital number, since it uses as much as digits as its factorization.

185368685361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61789561790.

The product of its digits is 24883200, while the sum is 60.

The spelling of 185368685361 in words is "one hundred eighty-five billion, three hundred sixty-eight million, six hundred eighty-five thousand, three hundred sixty-one".