660160115788025 has 24 divisors (see below), whose sum is σ = 848937865671000. Its totient is φ = 508645165952000.

The previous prime is 660160115788013. The next prime is 660160115788049. The reversal of 660160115788025 is 520887511061066.

It can be written as a sum of positive squares in 12 ways, for example, as 184773128824384 + 475386986963641 = 13593128^2 + 21803371^2 .

It is not a de Polignac number, because 660160115788025 - 2¹² = 660160115783929 is a prime.

It is a super-2 number, since 2×660160115788025² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1135077950 + ... + 1135659399.

It is an arithmetic number, because the mean of its divisors is an integer number (35372411069625).

Almost surely, 2^{660160115788025} is an apocalyptic number.

It is an amenable number.

660160115788025 is a deficient number, since it is larger than the sum of its proper divisors (188777749882975).

660160115788025 is a wasteful number, since it uses less digits than its factorization.

660160115788025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270737789 (or 2270737784 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 660160115788025 in words is "six hundred sixty trillion, one hundred sixty billion, one hundred fifteen million, seven hundred eighty-eight thousand, twenty-five".