660306556103 has 16 divisors (see below), whose sum is σ = 711305950080. Its totient is φ = 610935169824.

The previous prime is 660306556093. The next prime is 660306556127. The reversal of 660306556103 is 301655603066.

It is a cyclic number.

It is not a de Polignac number, because 660306556103 - 2⁴ = 660306556087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660306556303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7836425 + ... + 7920237.

It is an arithmetic number, because the mean of its divisors is an integer number (44456621880).

Almost surely, 2^660306556103 is an apocalyptic number.

660306556103 is a deficient number, since it is larger than the sum of its proper divisors (50999393977).

660306556103 is a wasteful number, since it uses less digits than its factorization.

660306556103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93518.

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 660306556103 in words is "six hundred sixty billion, three hundred six million, five hundred fifty-six thousand, one hundred three".