195802148775 has 12 divisors (see below), whose sum is σ = 323726219432. Its totient is φ = 104427812640.

The previous prime is 195802148771. The next prime is 195802148797. The reversal of 195802148775 is 577841208591.

It is a happy number.

It is not a de Polignac number, because 195802148775 - 2² = 195802148771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195802148771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1305347584 + ... + 1305347733.

Almost surely, 2^195802148775 is an apocalyptic number.

195802148775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195802148775 is a deficient number, since it is larger than the sum of its proper divisors (127924070657).

195802148775 is a wasteful number, since it uses less digits than its factorization.

195802148775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610695330 (or 2610695325 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 57.

The spelling of 195802148775 in words is "one hundred ninety-five billion, eight hundred two million, one hundred forty-eight thousand, seven hundred seventy-five".