6515606061 has 40 divisors (see below), whose sum is σ = 10021704000. Its totient is φ = 4216069440.

The previous prime is 6515606023. The next prime is 6515606087. The reversal of 6515606061 is 1606065156.

It is not a de Polignac number, because 6515606061 - 2¹⁸ = 6515343917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6515606561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 655950 + ... + 665808.

It is an arithmetic number, because the mean of its divisors is an integer number (250542600).

Almost surely, 2^6515606061 is an apocalyptic number.

It is an amenable number.

6515606061 is a deficient number, since it is larger than the sum of its proper divisors (3506097939).

6515606061 is a wasteful number, since it uses less digits than its factorization.

6515606061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111 (or 10102 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6515606061 is about 80719.3041409550. The cubic root of 6515606061 is about 1867.7479692019.

The spelling of 6515606061 in words is "six billion, five hundred fifteen million, six hundred six thousand, sixty-one".