6642515112 has 32 divisors (see below), whose sum is σ = 16608811200. Its totient is φ = 2213835264.

The previous prime is 6642515071. The next prime is 6642515119. The reversal of 6642515112 is 2115152466.

It is not an unprimeable number, because it can be changed into a prime (6642515119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179064 + ... + 212952.

It is an arithmetic number, because the mean of its divisors is an integer number (519025350).

Almost surely, 2^6642515112 is an apocalyptic number.

It is an amenable number.

6642515112 is an abundant number, since it is smaller than the sum of its proper divisors (9966296088).

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

6642515112 is a wasteful number, since it uses less digits than its factorization.

6642515112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42065 (or 42061 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 6642515112 is about 81501.6264377589. The cubic root of 6642515112 is about 1879.7965593952.

Adding to 6642515112 its reverse (2115152466), we get a palindrome (8757667578).

The spelling of 6642515112 in words is "six billion, six hundred forty-two million, five hundred fifteen thousand, one hundred twelve".