6668157068826 has 48 divisors (see below), whose sum is σ = 14752292997792. Its totient is φ = 2007783217440.

The previous prime is 6668157068789. The next prime is 6668157068827. The reversal of 6668157068826 is 6288607518666.

It is not an unprimeable number, because it can be changed into a prime (6668157068827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29136940 + ... + 29364903.

It is an arithmetic number, because the mean of its divisors is an integer number (307339437454).

Almost surely, 2^{6668157068826} is an apocalyptic number.

6668157068826 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6668157068826 is an abundant number, since it is smaller than the sum of its proper divisors (8084135928966).

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

6668157068826 is a wasteful number, since it uses less digits than its factorization.

6668157068826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58502027 (or 58502016 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 69.

The spelling of 6668157068826 in words is "six trillion, six hundred sixty-eight billion, one hundred fifty-seven million, sixty-eight thousand, eight hundred twenty-six".