185195375965 has 16 divisors (see below), whose sum is σ = 235331656560. Its totient is φ = 139426652160.

The previous prime is 185195375903. The next prime is 185195375993. The reversal of 185195375965 is 569573591581.

185195375965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9471766329 + 175723609636 = 97323^2 + 419194^2 .

It is not a de Polignac number, because 185195375965 - 2²³ = 185186987357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 185195375897 and 185195375906.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 741925 + ... + 959605.

It is an arithmetic number, because the mean of its divisors is an integer number (14708228535).

Almost surely, 2^185195375965 is an apocalyptic number.

It is an amenable number.

185195375965 is a deficient number, since it is larger than the sum of its proper divisors (50136280595).

185195375965 is a wasteful number, since it uses less digits than its factorization.

185195375965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227712.

The product of its digits is 51030000, while the sum is 64.

The spelling of 185195375965 in words is "one hundred eighty-five billion, one hundred ninety-five million, three hundred seventy-five thousand, nine hundred sixty-five".