660063613436 has 6 divisors (see below), whose sum is σ = 1155111323520. Its totient is φ = 330031806716.

The previous prime is 660063613421. The next prime is 660063613457. The reversal of 660063613436 is 634316360066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82507951676 + ... + 82507951683.

It is an arithmetic number, because the mean of its divisors is an integer number (192518553920).

Almost surely, 2^660063613436 is an apocalyptic number.

It is an amenable number.

660063613436 is a deficient number, since it is larger than the sum of its proper divisors (495047710084).

660063613436 is a wasteful number, since it uses less digits than its factorization.

660063613436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165015903363 (or 165015903361 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 44.

The spelling of 660063613436 in words is "six hundred sixty billion, sixty-three million, six hundred thirteen thousand, four hundred thirty-six".