6666995168458 has 16 divisors (see below), whose sum is σ = 10160471829024. Its totient is φ = 3280276303920.

The previous prime is 6666995168437. The next prime is 6666995168461. The reversal of 6666995168458 is 8548615996666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26142213 + ... + 26396008.

It is an arithmetic number, because the mean of its divisors is an integer number (635029489314).

Almost surely, 2^{6666995168458} is an apocalyptic number.

6666995168458 is a deficient number, since it is larger than the sum of its proper divisors (3493476660566).

6666995168458 is a wasteful number, since it uses less digits than its factorization.

6666995168458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52539237.

The product of its digits is 4031078400, while the sum is 79.

The spelling of 6666995168458 in words is "six trillion, six hundred sixty-six billion, nine hundred ninety-five million, one hundred sixty-eight thousand, four hundred fifty-eight".