660153518708325 has 48 divisors (see below), whose sum is σ = 1091678102951040. Its totient is φ = 352009534750720.

The previous prime is 660153518708273. The next prime is 660153518708371. The reversal of 660153518708325 is 523807815351066.

It is not a de Polignac number, because 660153518708325 - 2¹⁵ = 660153518675557 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8049924472 + ... + 8050006478.

It is an arithmetic number, because the mean of its divisors is an integer number (22743293811480).

Almost surely, 2^{660153518708325} is an apocalyptic number.

It is an amenable number.

660153518708325 is a deficient number, since it is larger than the sum of its proper divisors (431524584242715).

660153518708325 is a wasteful number, since it uses less digits than its factorization.

660153518708325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102766 (or 102761 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 60.

The spelling of 660153518708325 in words is "six hundred sixty trillion, one hundred fifty-three billion, five hundred eighteen million, seven hundred eight thousand, three hundred twenty-five".