660135245203 has 8 divisors (see below), whose sum is σ = 770492201472. Its totient is φ = 553791269256.

The previous prime is 660135245191. The next prime is 660135245219. The reversal of 660135245203 is 302542531066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 660135245203 - 2²⁹ = 659598374291 is a prime.

It is a super-2 number, since 2×660135245203² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (660135245233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1003244725 + ... + 1003245382.

It is an arithmetic number, because the mean of its divisors is an integer number (96311525184).

Almost surely, 2^660135245203 is an apocalyptic number.

660135245203 is a deficient number, since it is larger than the sum of its proper divisors (110356956269).

660135245203 is a wasteful number, since it uses less digits than its factorization.

660135245203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006490161.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 660135245203 its reverse (302542531066), we get a palindrome (962677776269).

The spelling of 660135245203 in words is "six hundred sixty billion, one hundred thirty-five million, two hundred forty-five thousand, two hundred three".