6667340673340 has 24 divisors (see below), whose sum is σ = 14007416976000. Its totient is φ = 2665793114688.

The previous prime is 6667340673317. The next prime is 6667340673347. The reversal of 6667340673340 is 433760437666.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667340673347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71399340 + ... + 71492659.

It is an arithmetic number, because the mean of its divisors is an integer number (583642374000).

Almost surely, 2^{6667340673340} is an apocalyptic number.

It is an amenable number.

6667340673340 is an abundant number, since it is smaller than the sum of its proper divisors (7340076302660).

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

6667340673340 is a wasteful number, since it uses less digits than its factorization.

6667340673340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142894341 (or 142894339 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 55.

The spelling of 6667340673340 in words is "six trillion, six hundred sixty-seven billion, three hundred forty million, six hundred seventy-three thousand, three hundred forty".