195563968 has 14 divisors (see below), whose sum is σ = 388072376. Its totient is φ = 97781952.

The previous prime is 195563959. The next prime is 195563983. The reversal of 195563968 is 869365591.

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, 1527780 + ... + 1527907.

Almost surely, 2^195563968 is an apocalyptic number.

It is an amenable number.

195563968 is a deficient number, since it is larger than the sum of its proper divisors (192508408).

195563968 is an equidigital number, since it uses as much as digits as its factorization.

195563968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055699 (or 3055689 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 52.

The square root of 195563968 is about 13984.4187580321. The cubic root of 195563968 is about 580.4475024383.

The spelling of 195563968 in words is "one hundred ninety-five million, five hundred sixty-three thousand, nine hundred sixty-eight".