668000006814 has 32 divisors (see below), whose sum is σ = 1531673773056. Its totient is φ = 190255068000.

The previous prime is 668000006803. The next prime is 668000006819. The reversal of 668000006814 is 418600000866.

It is a super-3 number, since 3×668000006814³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668000006819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25073062 + ... + 25099689.

It is an arithmetic number, because the mean of its divisors is an integer number (47864805408).

Almost surely, 2^668000006814 is an apocalyptic number.

668000006814 is an abundant number, since it is smaller than the sum of its proper divisors (863673766242).

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

668000006814 is a wasteful number, since it uses less digits than its factorization.

668000006814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50173080.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 668000006814 in words is "six hundred sixty-eight billion, six thousand, eight hundred fourteen".