66603301012064 has 24 divisors (see below), whose sum is σ = 131131769562360. Its totient is φ = 33299994456576.

The previous prime is 66603301012063. The next prime is 66603301012103. The reversal of 66603301012064 is 46021010330666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66603301012063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51097874 + ... + 52385105.

It is an arithmetic number, because the mean of its divisors is an integer number (5463823731765).

Almost surely, 2^{66603301012064} is an apocalyptic number.

It is an amenable number.

66603301012064 is a deficient number, since it is larger than the sum of its proper divisors (64528468550296).

66603301012064 is a wasteful number, since it uses less digits than its factorization.

66603301012064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103503102 (or 103503094 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 66603301012064 in words is "sixty-six trillion, six hundred three billion, three hundred one million, twelve thousand, sixty-four".