6418315572 has 12 divisors (see below), whose sum is σ = 14976069696. Its totient is φ = 2139438520.

The previous prime is 6418315543. The next prime is 6418315573. The reversal of 6418315572 is 2755138146.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6418315573) 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, 267429804 + ... + 267429827.

It is an arithmetic number, because the mean of its divisors is an integer number (1248005808).

Almost surely, 2^6418315572 is an apocalyptic number.

It is an amenable number.

6418315572 is an abundant number, since it is smaller than the sum of its proper divisors (8557754124).

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

6418315572 is a wasteful number, since it uses less digits than its factorization.

6418315572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534859638 (or 534859636 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 6418315572 is about 80114.3905425236. The cubic root of 6418315572 is about 1858.4049581506.

The spelling of 6418315572 in words is "six billion, four hundred eighteen million, three hundred fifteen thousand, five hundred seventy-two".