6150565665 has 12 divisors (see below), whose sum is σ = 10660980564. Its totient is φ = 3280301664.

The previous prime is 6150565649. The next prime is 6150565679. The reversal of 6150565665 is 5665650516.

It can be written as a sum of positive squares in 2 ways, for example, as 4364319969 + 1786245696 = 66063^2 + 42264^2 .

It is not a de Polignac number, because 6150565665 - 2⁴ = 6150565649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 136679237 = 6150565665 / (6 + 1 + 5 + 0 + 5 + 6 + 5 + 6 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 6150565665.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 68339574 + ... + 68339663.

It is an arithmetic number, because the mean of its divisors is an integer number (888415047).

Almost surely, 2^6150565665 is an apocalyptic number.

It is an amenable number.

6150565665 is a deficient number, since it is larger than the sum of its proper divisors (4510414899).

6150565665 is a wasteful number, since it uses less digits than its factorization.

6150565665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136679248 (or 136679245 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 6150565665 is about 78425.5421721776. The cubic root of 6150565665 is about 1832.1949699098.

The spelling of 6150565665 in words is "six billion, one hundred fifty million, five hundred sixty-five thousand, six hundred sixty-five".