6472451816 has 16 divisors (see below), whose sum is σ = 12167539200. Its totient is φ = 3227774704.

The previous prime is 6472451767. The next prime is 6472451819. The reversal of 6472451816 is 6181542746.

It is not an unprimeable number, because it can be changed into a prime (6472451819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053146 + ... + 1059273.

It is an arithmetic number, because the mean of its divisors is an integer number (760471200).

Almost surely, 2^6472451816 is an apocalyptic number.

It is an amenable number.

6472451816 is a deficient number, since it is larger than the sum of its proper divisors (5695087384).

6472451816 is a wasteful number, since it uses less digits than its factorization.

6472451816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112808 (or 2112804 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 6472451816 is about 80451.5494940899. The cubic root of 6472451816 is about 1863.6153345812.

The spelling of 6472451816 in words is "six billion, four hundred seventy-two million, four hundred fifty-one thousand, eight hundred sixteen".