66003259021296 has 20 divisors (see below), whose sum is σ = 170508419138472. Its totient is φ = 22001086340416.

The previous prime is 66003259021283. The next prime is 66003259021313. The reversal of 66003259021296 is 69212095230066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687533948091 + ... + 687533948186.

Almost surely, 2^{66003259021296} is an apocalyptic number.

It is an amenable number.

66003259021296 is an abundant number, since it is smaller than the sum of its proper divisors (104505160117176).

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

66003259021296 is a wasteful number, since it uses less digits than its factorization.

66003259021296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375067896288 (or 1375067896282 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 66003259021296 in words is "sixty-six trillion, three billion, two hundred fifty-nine million, twenty-one thousand, two hundred ninety-six".