195606612 has 18 divisors (see below), whose sum is σ = 494450138. Its totient is φ = 65202192.

The previous prime is 195606601. The next prime is 195606617. The reversal of 195606612 is 216606591.

It can be written as a sum of positive squares in only one way, i.e., 185340996 + 10265616 = 13614^2 + 3204^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5433517 = 195606612 / (1 + 9 + 5 + 6 + 0 + 6 + 6 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195606617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2716723 + ... + 2716794.

Almost surely, 2^195606612 is an apocalyptic number.

195606612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195606612 is an abundant number, since it is smaller than the sum of its proper divisors (298843526).

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

195606612 is a wasteful number, since it uses less digits than its factorization.

195606612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433527 (or 5433522 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 195606612 is about 13985.9433718287. The cubic root of 195606612 is about 580.4896894945.

The spelling of 195606612 in words is "one hundred ninety-five million, six hundred six thousand, six hundred twelve".