195366647425 has 24 divisors (see below), whose sum is σ = 246936284352. Its totient is φ = 153287688000.

The previous prime is 195366647419. The next prime is 195366647513. The reversal of 195366647425 is 524746663591.

195366647425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195366647425 - 2⁷ = 195366647297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 195366647425.

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 23 ways as a sum of consecutive naturals, for example, 344580 + ... + 713770.

It is an arithmetic number, because the mean of its divisors is an integer number (10289011848).

Almost surely, 2^195366647425 is an apocalyptic number.

It is an amenable number.

195366647425 is a deficient number, since it is larger than the sum of its proper divisors (51569636927).

195366647425 is a wasteful number, since it uses less digits than its factorization.

195366647425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369609 (or 369604 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 58.

The spelling of 195366647425 in words is "one hundred ninety-five billion, three hundred sixty-six million, six hundred forty-seven thousand, four hundred twenty-five".