195308656 has 10 divisors (see below), whose sum is σ = 378410552. Its totient is φ = 97654320.

The previous prime is 195308651. The next prime is 195308669. The reversal of 195308656 is 656803591.

It is a super-2 number, since 2×195308656² = 76290942217052672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195308651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6103380 + ... + 6103411.

Almost surely, 2^195308656 is an apocalyptic number.

195308656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195308656 is a deficient number, since it is larger than the sum of its proper divisors (183101896).

195308656 is a wasteful number, since it uses less digits than its factorization.

195308656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12206799 (or 12206793 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 195308656 is about 13975.2873315721. The cubic root of 195308656 is about 580.1947978262.

The spelling of 195308656 in words is "one hundred ninety-five million, three hundred eight thousand, six hundred fifty-six".