660053135537064 has 96 divisors (see below), whose sum is σ = 1896518097513000. Its totient is φ = 206668665225216.

The previous prime is 660053135537053. The next prime is 660053135537083. The reversal of 660053135537064 is 460735531350066.

660053135537064 is a `hidden beast` number, since 6 + 6 + 0 + 0 + 5 + 3 + 13 + 553 + 70 + 6 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 651696653722500 + 8356481814564 = 25528350^2 + 2890758^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 660053135537064.

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, 529101049 + ... + 530347080.

Almost surely, 2^{660053135537064} is an apocalyptic number.

It is an amenable number.

660053135537064 is an abundant number, since it is smaller than the sum of its proper divisors (1236464961975936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660053135537064 is a wasteful number, since it uses less digits than its factorization.

660053135537064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059448667 (or 1059448660 counting only the distinct ones).

The product of its (nonzero) digits is 20412000, while the sum is 54.

The spelling of 660053135537064 in words is "six hundred sixty trillion, fifty-three billion, one hundred thirty-five million, five hundred thirty-seven thousand, sixty-four".