660353052421624 has 16 divisors (see below), whose sum is σ = 1310995030543200. Its totient is φ = 310754377610112.

The previous prime is 660353052421541. The next prime is 660353052421631. The reversal of 660353052421624 is 426124250353066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2427768574944 + ... + 2427768575215.

It is an arithmetic number, because the mean of its divisors is an integer number (81937189408950).

Almost surely, 2^{660353052421624} is an apocalyptic number.

It is an amenable number.

660353052421624 is a deficient number, since it is larger than the sum of its proper divisors (650641978121576).

660353052421624 is a wasteful number, since it uses less digits than its factorization.

660353052421624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855537150182 (or 4855537150178 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 660353052421624 in words is "six hundred sixty trillion, three hundred fifty-three billion, fifty-two million, four hundred twenty-one thousand, six hundred twenty-four".