6506371672 has 32 divisors (see below), whose sum is σ = 12534958800. Its totient is φ = 3164198400.

The previous prime is 6506371661. The next prime is 6506371673. The reversal of 6506371672 is 2761736056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506371673) 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, 78604 + ... + 138532.

Almost surely, 2^6506371672 is an apocalyptic number.

It is an amenable number.

6506371672 is a deficient number, since it is larger than the sum of its proper divisors (6028587128).

6506371672 is a wasteful number, since it uses less digits than its factorization.

6506371672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60307 (or 60303 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 6506371672 is about 80662.0832361773. The cubic root of 6506371672 is about 1866.8651827707.

The spelling of 6506371672 in words is "six billion, five hundred six million, three hundred seventy-one thousand, six hundred seventy-two".