6645008541212 has 6 divisors (see below), whose sum is σ = 11628764947128. Its totient is φ = 3322504270604.

The previous prime is 6645008541121. The next prime is 6645008541229. The reversal of 6645008541212 is 2121458005466.

It is a super-2 number, since 2×6645008541212² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 830626067648 + ... + 830626067655.

It is an arithmetic number, because the mean of its divisors is an integer number (1938127491188).

Almost surely, 2^{6645008541212} is an apocalyptic number.

It is an amenable number.

6645008541212 is a deficient number, since it is larger than the sum of its proper divisors (4983756405916).

6645008541212 is a wasteful number, since it uses less digits than its factorization.

6645008541212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661252135307 (or 1661252135305 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 6645008541212 in words is "six trillion, six hundred forty-five billion, eight million, five hundred forty-one thousand, two hundred twelve".