6501016005 has 24 divisors (see below), whose sum is σ = 11433194976. Its totient is φ = 3152006880.

The previous prime is 6501016001. The next prime is 6501016037. The reversal of 6501016005 is 5006101056.

It is not a de Polignac number, because 6501016005 - 2² = 6501016001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501016001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1789099 + ... + 1792728.

It is an arithmetic number, because the mean of its divisors is an integer number (476383124).

Almost surely, 2^6501016005 is an apocalyptic number.

It is an amenable number.

6501016005 is a deficient number, since it is larger than the sum of its proper divisors (4932178971).

6501016005 is a wasteful number, since it uses less digits than its factorization.

6501016005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581857 (or 3581846 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 6501016005 is about 80628.8782323058. The cubic root of 6501016005 is about 1866.3528105222.

The spelling of 6501016005 in words is "six billion, five hundred one million, sixteen thousand, five".