6666667407340 has 12 divisors (see below), whose sum is σ = 14000001555456. Its totient is φ = 2666666962928.

The previous prime is 6666667407313. The next prime is 6666667407343. The reversal of 6666667407340 is 437047666666.

It is not an unprimeable number, because it can be changed into a prime (6666667407343) 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, 166666685164 + ... + 166666685203.

It is an arithmetic number, because the mean of its divisors is an integer number (1166666796288).

Almost surely, 2^{6666667407340} is an apocalyptic number.

It is an amenable number.

6666667407340 is an abundant number, since it is smaller than the sum of its proper divisors (7333334148116).

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

6666667407340 is a wasteful number, since it uses less digits than its factorization.

6666667407340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333333370376 (or 333333370374 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 61.

The spelling of 6666667407340 in words is "six trillion, six hundred sixty-six billion, six hundred sixty-seven million, four hundred seven thousand, three hundred forty".