66466851013053 has 24 divisors (see below), whose sum is σ = 99111191502336. Its totient is φ = 42879028557600.

The previous prime is 66466851013049. The next prime is 66466851013067. The reversal of 66466851013053 is 35031015866466.

66466851013053 is a `hidden beast` number, since 6 + 6 + 4 + 6 + 68 + 510 + 13 + 0 + 53 = 666.

66466851013053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66466851013053 - 2² = 66466851013049 is a prime.

It is a super-2 number, since 2×66466851013053² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66466851013033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3539550 + ... + 12060767.

It is an arithmetic number, because the mean of its divisors is an integer number (4129632979264).

Almost surely, 2^{66466851013053} is an apocalyptic number.

It is an amenable number.

66466851013053 is a deficient number, since it is larger than the sum of its proper divisors (32644340489283).

66466851013053 is a wasteful number, since it uses less digits than its factorization.

66466851013053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15615625 (or 15615622 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 66466851013053 in words is "sixty-six trillion, four hundred sixty-six billion, eight hundred fifty-one million, thirteen thousand, fifty-three".