195955556 has 12 divisors (see below), whose sum is σ = 343033068. Its totient is φ = 97946112.

The previous prime is 195955537. The next prime is 195955559. The reversal of 195955556 is 655559591.

195955556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 125664100 + 70291456 = 11210^2 + 8384^2 .

It is not an unprimeable number, because it can be changed into a prime (195955559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11060 + ... + 22676.

It is an arithmetic number, because the mean of its divisors is an integer number (28586089).

Almost surely, 2^195955556 is an apocalyptic number.

It is an amenable number.

195955556 is a deficient number, since it is larger than the sum of its proper divisors (147077512).

195955556 is a wasteful number, since it uses less digits than its factorization.

195955556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838 (or 15836 counting only the distinct ones).

The product of its digits is 1518750, while the sum is 50.

The square root of 195955556 is about 13998.4126242942. The cubic root of 195955556 is about 580.8346643106.

The spelling of 195955556 in words is "one hundred ninety-five million, nine hundred fifty-five thousand, five hundred fifty-six".