6668157068808 has 32 divisors (see below), whose sum is σ = 17076987617760. Its totient is φ = 2168506363520.

The previous prime is 6668157068789. The next prime is 6668157068827. The reversal of 6668157068808 is 8088607518666.

It is an interprime number because it is at equal distance from previous prime (6668157068789) and next prime (6668157068827).

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388290210 + ... + 3388292177.

It is an arithmetic number, because the mean of its divisors is an integer number (533655863055).

Almost surely, 2^{6668157068808} is an apocalyptic number.

It is an amenable number.

6668157068808 is an abundant number, since it is smaller than the sum of its proper divisors (10408830548952).

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

6668157068808 is a wasteful number, since it uses less digits than its factorization.

6668157068808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776582437 (or 6776582433 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 69.

The spelling of 6668157068808 in words is "six trillion, six hundred sixty-eight billion, one hundred fifty-seven million, sixty-eight thousand, eight hundred eight".