6657431604133 has 8 divisors (see below), whose sum is σ = 6801536420352. Its totient is φ = 6513429176976.

The previous prime is 6657431604119. The next prime is 6657431604181. The reversal of 6657431604133 is 3314061347566.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6657431604133 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 (6657431604193) 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, 25465810 + ... + 25725907.

It is an arithmetic number, because the mean of its divisors is an integer number (850192052544).

Almost surely, 2^{6657431604133} is an apocalyptic number.

It is an amenable number.

6657431604133 is a deficient number, since it is larger than the sum of its proper divisors (144104816219).

6657431604133 is a wasteful number, since it uses less digits than its factorization.

6657431604133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51194531.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 6657431604133 in words is "six trillion, six hundred fifty-seven billion, four hundred thirty-one million, six hundred four thousand, one hundred thirty-three".