6666050615 has 16 divisors (see below), whose sum is σ = 9148505088. Its totient is φ = 4567759776.

The previous prime is 6666050609. The next prime is 6666050639. The reversal of 6666050615 is 5160506666.

It is a cyclic number.

It is not a de Polignac number, because 6666050615 - 2²⁴ = 6649273399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17117 + ... + 116726.

It is an arithmetic number, because the mean of its divisors is an integer number (571781568).

Almost surely, 2^6666050615 is an apocalyptic number.

6666050615 is a deficient number, since it is larger than the sum of its proper divisors (2482454473).

6666050615 is a wasteful number, since it uses less digits than its factorization.

6666050615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135278.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 6666050615 is about 81645.8854750195. The cubic root of 6666050615 is about 1882.0140832949.

The spelling of 6666050615 in words is "six billion, six hundred sixty-six million, fifty thousand, six hundred fifteen".