6657992645997 has 64 divisors (see below), whose sum is σ = 11517177323520. Its totient is φ = 3321003672000.

The previous prime is 6657992645957. The next prime is 6657992646007. The reversal of 6657992645997 is 7995462997566.

It is not a de Polignac number, because 6657992645997 - 2¹⁸ = 6657992383853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6657992645957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5094379 + ... + 6266472.

It is an arithmetic number, because the mean of its divisors is an integer number (179955895680).

Almost surely, 2^{6657992645997} is an apocalyptic number.

It is an amenable number.

6657992645997 is a deficient number, since it is larger than the sum of its proper divisors (4859184677523).

6657992645997 is a wasteful number, since it uses less digits than its factorization.

6657992645997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11360974.

The product of its digits is 13888324800, while the sum is 84.

The spelling of 6657992645997 in words is "six trillion, six hundred fifty-seven billion, nine hundred ninety-two million, six hundred forty-five thousand, nine hundred ninety-seven".