6497577672 has 16 divisors (see below), whose sum is σ = 16243944240. Its totient is φ = 2165859216.

The previous prime is 6497577661. The next prime is 6497577703. The reversal of 6497577672 is 2767757946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135366178 + ... + 135366225.

It is an arithmetic number, because the mean of its divisors is an integer number (1015246515).

Almost surely, 2^6497577672 is an apocalyptic number.

It is an amenable number.

6497577672 is an abundant number, since it is smaller than the sum of its proper divisors (9746366568).

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

6497577672 is a wasteful number, since it uses less digits than its factorization.

6497577672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270732412 (or 270732408 counting only the distinct ones).

The product of its digits is 31116960, while the sum is 60.

The square root of 6497577672 is about 80607.5534425900. The cubic root of 6497577672 is about 1866.0237196995.

The spelling of 6497577672 in words is "six billion, four hundred ninety-seven million, five hundred seventy-seven thousand, six hundred seventy-two".