6465396672 has 140 divisors (see below), whose sum is σ = 21903507120. Its totient is φ = 1847245824.

The previous prime is 6465396653. The next prime is 6465396683. The reversal of 6465396672 is 2766935646.

6465396672 is a `hidden beast` number, since 6 + 46 + 539 + 6 + 67 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52797 + ... + 125372.

Almost surely, 2^6465396672 is an apocalyptic number.

It is an amenable number.

6465396672 is an abundant number, since it is smaller than the sum of its proper divisors (15438110448).

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

6465396672 is a wasteful number, since it uses less digits than its factorization.

6465396672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178200 (or 178181 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The square root of 6465396672 is about 80407.6903784706. The cubic root of 6465396672 is about 1862.9379583686.

The spelling of 6465396672 in words is "six billion, four hundred sixty-five million, three hundred ninety-six thousand, six hundred seventy-two".