195695644 has 6 divisors (see below), whose sum is σ = 342467384. Its totient is φ = 97847820.

The previous prime is 195695641. The next prime is 195695659. The reversal of 195695644 is 446596591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195695641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24461952 + ... + 24461959.

Almost surely, 2^195695644 is an apocalyptic number.

It is an amenable number.

195695644 is a deficient number, since it is larger than the sum of its proper divisors (146771740).

195695644 is a wasteful number, since it uses less digits than its factorization.

195695644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48923915 (or 48923913 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 49.

The square root of 195695644 is about 13989.1259197993. The cubic root of 195695644 is about 580.5777477292.

The spelling of 195695644 in words is "one hundred ninety-five million, six hundred ninety-five thousand, six hundred forty-four".