660155705603 has 16 divisors (see below), whose sum is σ = 698616940800. Its totient is φ = 622071433440.

The previous prime is 660155705551. The next prime is 660155705647. The reversal of 660155705603 is 306507551066.

It is a de Polignac number, because none of the positive numbers 2^k-660155705603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660155705003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4412300 + ... + 4559462.

It is an arithmetic number, because the mean of its divisors is an integer number (43663558800).

Almost surely, 2^660155705603 is an apocalyptic number.

660155705603 is a deficient number, since it is larger than the sum of its proper divisors (38461235197).

660155705603 is a wasteful number, since it uses less digits than its factorization.

660155705603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148442.

The product of its (nonzero) digits is 567000, while the sum is 44.

The spelling of 660155705603 in words is "six hundred sixty billion, one hundred fifty-five million, seven hundred five thousand, six hundred three".