6678468370066 has 8 divisors (see below), whose sum is σ = 10027073655180. Its totient is φ = 3336110485008.

The previous prime is 6678468370061. The next prime is 6678468370141. The reversal of 6678468370066 is 6600738648766.

It can be written as a sum of positive squares in 2 ways, for example, as 6546357202225 + 132111167841 = 2558585^2 + 363471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6678468369983 and 6678468370010.

It is not an unprimeable number, because it can be changed into a prime (6678468370061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561847341 + ... + 1561851616.

Almost surely, 2^{6678468370066} is an apocalyptic number.

6678468370066 is a deficient number, since it is larger than the sum of its proper divisors (3348605285114).

6678468370066 is a wasteful number, since it uses less digits than its factorization.

6678468370066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123700028.

The product of its (nonzero) digits is 292626432, while the sum is 67.

The spelling of 6678468370066 in words is "six trillion, six hundred seventy-eight billion, four hundred sixty-eight million, three hundred seventy thousand, sixty-six".