6666248293344 has 72 divisors (see below), whose sum is σ = 18962620618032. Its totient is φ = 2221440768000.

The previous prime is 6666248293301. The next prime is 6666248293357. The reversal of 6666248293344 is 4433928426666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2344657 + ... + 4339344.

It is an arithmetic number, because the mean of its divisors is an integer number (263369730806).

Almost surely, 2^{6666248293344} is an apocalyptic number.

It is an amenable number.

6666248293344 is an abundant number, since it is smaller than the sum of its proper divisors (12296372324688).

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

6666248293344 is a wasteful number, since it uses less digits than its factorization.

6666248293344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6687480 (or 6687469 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 63.

The spelling of 6666248293344 in words is "six trillion, six hundred sixty-six billion, two hundred forty-eight million, two hundred ninety-three thousand, three hundred forty-four".