6455641172 has 24 divisors (see below), whose sum is σ = 11934330240. Its totient is φ = 3047042880.

The previous prime is 6455641169. The next prime is 6455641207. The reversal of 6455641172 is 2711465546.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129788 + ... + 172499.

It is an arithmetic number, because the mean of its divisors is an integer number (497263760).

Almost surely, 2^6455641172 is an apocalyptic number.

It is an amenable number.

6455641172 is a deficient number, since it is larger than the sum of its proper divisors (5478689068).

6455641172 is a wasteful number, since it uses less digits than its factorization.

6455641172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302591 (or 302589 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 6455641172 is about 80347.0047481547. The cubic root of 6455641172 is about 1862.0005041758. Note that the first 3 decimals are identical.

The spelling of 6455641172 in words is "six billion, four hundred fifty-five million, six hundred forty-one thousand, one hundred seventy-two".