195309225801656 has 8 divisors (see below), whose sum is σ = 366204798378120. Its totient is φ = 97654612900824.

The previous prime is 195309225801583. The next prime is 195309225801713. The reversal of 195309225801656 is 656108522903591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12206826612596 + ... + 12206826612611.

It is an arithmetic number, because the mean of its divisors is an integer number (45775599797265).

Almost surely, 2^{195309225801656} is an apocalyptic number.

It is an amenable number.

195309225801656 is a deficient number, since it is larger than the sum of its proper divisors (170895572576464).

195309225801656 is a wasteful number, since it uses less digits than its factorization.

195309225801656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24413653225213 (or 24413653225209 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 62.

The spelling of 195309225801656 in words is "one hundred ninety-five trillion, three hundred nine billion, two hundred twenty-five million, eight hundred one thousand, six hundred fifty-six".