6650516515659 has 16 divisors (see below), whose sum is σ = 9056107264512. Its totient is φ = 4339303488288.

The previous prime is 6650516515499. The next prime is 6650516515663. The reversal of 6650516515659 is 9565156150566.

It is not a de Polignac number, because 6650516515659 - 2¹² = 6650516511563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6650516515259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25408137 + ... + 25668549.

It is an arithmetic number, because the mean of its divisors is an integer number (566006704032).

Almost surely, 2^{6650516515659} is an apocalyptic number.

6650516515659 is a deficient number, since it is larger than the sum of its proper divisors (2405590748853).

6650516515659 is a wasteful number, since it uses less digits than its factorization.

6650516515659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441586.

The product of its (nonzero) digits is 36450000, while the sum is 60.

The spelling of 6650516515659 in words is "six trillion, six hundred fifty billion, five hundred sixteen million, five hundred fifteen thousand, six hundred fifty-nine".