6472251216 has 100 divisors (see below), whose sum is σ = 18880553472. Its totient is φ = 2140375104.

The previous prime is 6472251197. The next prime is 6472251217. The reversal of 6472251216 is 6121522746.

It is a happy number.

6472251216 is a `hidden beast` number, since 64 + 72 + 2 + 512 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6472251217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 144931 + ... + 184253.

Almost surely, 2^6472251216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6472251216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9440276736).

6472251216 is an abundant number, since it is smaller than the sum of its proper divisors (12408302256).

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

6472251216 is a wasteful number, since it uses less digits than its factorization.

6472251216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39470 (or 39455 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 6472251216 is about 80450.3027713383. The cubic root of 6472251216 is about 1863.5960814393.

The spelling of 6472251216 in words is "six billion, four hundred seventy-two million, two hundred fifty-one thousand, two hundred sixteen".