6664260454444 has 12 divisors (see below), whose sum is σ = 12064609443600. Its totient is φ = 3217229184848.

The previous prime is 6664260454417. The next prime is 6664260454457. The reversal of 6664260454444 is 4444540624666.

It is a super-2 number, since 2×6664260454444² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28725260464 + ... + 28725260695.

It is an arithmetic number, because the mean of its divisors is an integer number (1005384120300).

Almost surely, 2^{6664260454444} is an apocalyptic number.

It is an amenable number.

6664260454444 is a deficient number, since it is larger than the sum of its proper divisors (5400348989156).

6664260454444 is a wasteful number, since it uses less digits than its factorization.

6664260454444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57450521192 (or 57450521190 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 55.

The spelling of 6664260454444 in words is "six trillion, six hundred sixty-four billion, two hundred sixty million, four hundred fifty-four thousand, four hundred forty-four".