6531016012 has 6 divisors (see below), whose sum is σ = 11429278028. Its totient is φ = 3265508004.

The previous prime is 6531016007. The next prime is 6531016027. The reversal of 6531016012 is 2106101356.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 816376998 + ... + 816377005.

Almost surely, 2^6531016012 is an apocalyptic number.

It is an amenable number.

6531016012 is a deficient number, since it is larger than the sum of its proper divisors (4898262016).

6531016012 is a wasteful number, since it uses less digits than its factorization.

6531016012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632754007 (or 1632754005 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 6531016012 is about 80814.7017070533. The cubic root of 6531016012 is about 1869.2192697301.

Adding to 6531016012 its reverse (2106101356), we get a palindrome (8637117368).

The spelling of 6531016012 in words is "six billion, five hundred thirty-one million, sixteen thousand, twelve".