66013374960897 has 32 divisors (see below), whose sum is σ = 108806864151552. Its totient is φ = 34666848569664.

The previous prime is 66013374960889. The next prime is 66013374960901. The reversal of 66013374960897 is 79806947331066.

66013374960897 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 66013374960897 - 2³ = 66013374960889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66013374960817) 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 31 ways as a sum of consecutive naturals, for example, 532553083 + ... + 532677024.

It is an arithmetic number, because the mean of its divisors is an integer number (3400214504736).

Almost surely, 2^{66013374960897} is an apocalyptic number.

It is an amenable number.

66013374960897 is a deficient number, since it is larger than the sum of its proper divisors (42793489190655).

66013374960897 is a wasteful number, since it uses less digits than its factorization.

66013374960897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065230357.

The product of its (nonzero) digits is 246903552, while the sum is 69.

The spelling of 66013374960897 in words is "sixty-six trillion, thirteen billion, three hundred seventy-four million, nine hundred sixty thousand, eight hundred ninety-seven".