6501015172 has 12 divisors (see below), whose sum is σ = 11513846736. Its totient is φ = 3211344680.

The previous prime is 6501015161. The next prime is 6501015193. The reversal of 6501015172 is 2715101056.

It is a self number, because there is not a number n which added to its sum of digits gives 6501015172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9790354 + ... + 9791017.

It is an arithmetic number, because the mean of its divisors is an integer number (959487228).

Almost surely, 2^6501015172 is an apocalyptic number.

It is an amenable number.

6501015172 is a deficient number, since it is larger than the sum of its proper divisors (5012831564).

6501015172 is a wasteful number, since it uses less digits than its factorization.

6501015172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19581458 (or 19581456 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 6501015172 is about 80628.8730666627. The cubic root of 6501015172 is about 1866.3527308079.

The spelling of 6501015172 in words is "six billion, five hundred one million, fifteen thousand, one hundred seventy-two".