6516565040201 has 8 divisors (see below), whose sum is σ = 6901625231520. Its totient is φ = 6135713157312.

The previous prime is 6516565040137. The next prime is 6516565040203. The reversal of 6516565040201 is 1020405656156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6516565040201 - 2⁶ = 6516565040137 is a prime.

It is a super-2 number, since 2×6516565040201² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6516565040203) 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, 1052073920 + ... + 1052080113.

It is an arithmetic number, because the mean of its divisors is an integer number (862703153940).

Almost surely, 2^{6516565040201} is an apocalyptic number.

It is an amenable number.

6516565040201 is a deficient number, since it is larger than the sum of its proper divisors (385060191319).

6516565040201 is a wasteful number, since it uses less digits than its factorization.

6516565040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104154215.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 6516565040201 in words is "six trillion, five hundred sixteen billion, five hundred sixty-five million, forty thousand, two hundred one".