6600397671 has 80 divisors (see below), whose sum is σ = 11568420864. Its totient is φ = 3672107136.

The previous prime is 6600397667. The next prime is 6600397697. The reversal of 6600397671 is 1767930066.

6600397671 is a `hidden beast` number, since 6 + 600 + 39 + 7 + 6 + 7 + 1 = 666.

It is not a de Polignac number, because 6600397671 - 2² = 6600397667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600397171) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6208686 + ... + 6209748.

Almost surely, 2^6600397671 is an apocalyptic number.

6600397671 is a deficient number, since it is larger than the sum of its proper divisors (4968023193).

6600397671 is a wasteful number, since it uses less digits than its factorization.

6600397671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 6600397671 is about 81242.8315053088. The cubic root of 6600397671 is about 1875.8151284636.

The spelling of 6600397671 in words is "six billion, six hundred million, three hundred ninety-seven thousand, six hundred seventy-one".