43195668 has 12 divisors (see below), whose sum is σ = 100789920. Its totient is φ = 14398552.

The previous prime is 43195651. The next prime is 43195681. The reversal of 43195668 is 86659134.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799808 + ... + 1799831.

It is an arithmetic number, because the mean of its divisors is an integer number (8399160).

Almost surely, 2^43195668 is an apocalyptic number.

It is an amenable number.

43195668 is an abundant number, since it is smaller than the sum of its proper divisors (57594252).

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

43195668 is a wasteful number, since it uses less digits than its factorization.

43195668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599646 (or 3599644 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 43195668 is about 6572.3411353946. The cubic root of 43195668 is about 350.8703996334.

The spelling of 43195668 in words is "forty-three million, one hundred ninety-five thousand, six hundred sixty-eight".