5615665066 has 32 divisors (see below), whose sum is σ = 9706346496. Its totient is φ = 2412774000.

The previous prime is 5615665037. The next prime is 5615665091. The reversal of 5615665066 is 6605665165.

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, 66420 + ... + 125071.

It is an arithmetic number, because the mean of its divisors is an integer number (303323328).

Almost surely, 2^5615665066 is an apocalyptic number.

5615665066 is a deficient number, since it is larger than the sum of its proper divisors (4090681430).

5615665066 is a wasteful number, since it uses less digits than its factorization.

5615665066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191578.

The product of its (nonzero) digits is 972000, while the sum is 46.

The square root of 5615665066 is about 74937.7412656667. The cubic root of 5615665066 is about 1777.4623041361.

Subtracting 5615665066 from its reverse (6605665165), we obtain a palindrome (990000099).

The spelling of 5615665066 in words is "five billion, six hundred fifteen million, six hundred sixty-five thousand, sixty-six".