6667067400397 has 8 divisors (see below), whose sum is σ = 6822359058240. Its totient is φ = 6511786814400.

The previous prime is 6667067400379. The next prime is 6667067400419. The reversal of 6667067400397 is 7930047607666.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6667067400397 - 2³¹ = 6664919916749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667067400307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543372 + ... + 3964357.

It is an arithmetic number, because the mean of its divisors is an integer number (852794882280).

Almost surely, 2^{6667067400397} is an apocalyptic number.

It is an amenable number.

6667067400397 is a deficient number, since it is larger than the sum of its proper divisors (155291657843).

6667067400397 is a wasteful number, since it uses less digits than its factorization.

6667067400397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535923.

The product of its (nonzero) digits is 48009024, while the sum is 61.

The spelling of 6667067400397 in words is "six trillion, six hundred sixty-seven billion, sixty-seven million, four hundred thousand, three hundred ninety-seven".