6606442090000 has 75 divisors (see below), whose sum is σ = 15995479263643. Its totient is φ = 2642474024000.

The previous prime is 6606442089983. The next prime is 6606442090009. The reversal of 6606442090000 is 902446066.

The square root of 6606442090000 is 2570300.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 517945059856 + 6088497030144 = 719684^2 + 2467488^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6606442090009) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 257017149 + ... + 257042851.

Almost surely, 2^{6606442090000} is an apocalyptic number.

6606442090000 is the 2570300-th square number.

It is an amenable number.

6606442090000 is an abundant number, since it is smaller than the sum of its proper divisors (9389037173643).

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

6606442090000 is an frugal number, since it uses more digits than its factorization.

6606442090000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51434 (or 25710 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 6606442090000 in words is "six trillion, six hundred six billion, four hundred forty-two million, ninety thousand".