6415567120 has 20 divisors (see below), whose sum is σ = 14916193740. Its totient is φ = 2566226816.

The previous prime is 6415567061. The next prime is 6415567121. The reversal of 6415567120 is 217655146.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4843603216 + 1571963904 = 69596^2 + 39648^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 6415567120.

It is not an unprimeable number, because it can be changed into a prime (6415567121) 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, 40097215 + ... + 40097374.

It is an arithmetic number, because the mean of its divisors is an integer number (745809687).

Almost surely, 2^6415567120 is an apocalyptic number.

It is an amenable number.

6415567120 is an abundant number, since it is smaller than the sum of its proper divisors (8500626620).

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

6415567120 is a wasteful number, since it uses less digits than its factorization.

6415567120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80194602 (or 80194596 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 6415567120 is about 80097.2354079715. The cubic root of 6415567120 is about 1858.1396514660.

The spelling of 6415567120 in words is "six billion, four hundred fifteen million, five hundred sixty-seven thousand, one hundred twenty".