6666968754924 has 24 divisors (see below), whose sum is σ = 15753175119360. Its totient is φ = 2194192248144.

The previous prime is 6666968754911. The next prime is 6666968754947. The reversal of 6666968754924 is 4294578696666.

It is a self number, because there is not a number n which added to its sum of digits gives 6666968754924.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516332784 + ... + 3516334679.

It is an arithmetic number, because the mean of its divisors is an integer number (656382296640).

Almost surely, 2^{6666968754924} is an apocalyptic number.

It is an amenable number.

6666968754924 is an abundant number, since it is smaller than the sum of its proper divisors (9086206364436).

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

6666968754924 is a wasteful number, since it uses less digits than its factorization.

6666968754924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7032667549 (or 7032667547 counting only the distinct ones).

The product of its digits is 5643509760, while the sum is 78.

The spelling of 6666968754924 in words is "six trillion, six hundred sixty-six billion, nine hundred sixty-eight million, seven hundred fifty-four thousand, nine hundred twenty-four".