195291606 has 32 divisors (see below), whose sum is σ = 397260288. Its totient is φ = 63990080.

The previous prime is 195291601. The next prime is 195291623. The reversal of 195291606 is 606192591.

It is a super-2 number, since 2×195291606² = 76277622748118472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195291601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262471 + ... + 263213.

It is an arithmetic number, because the mean of its divisors is an integer number (12414384).

Almost surely, 2^195291606 is an apocalyptic number.

195291606 is an abundant number, since it is smaller than the sum of its proper divisors (201968682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195291606 is a wasteful number, since it uses less digits than its factorization.

195291606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 195291606 is about 13974.6773129114. The cubic root of 195291606 is about 580.1779141076.

The spelling of 195291606 in words is "one hundred ninety-five million, two hundred ninety-one thousand, six hundred six".