66303333456 has 20 divisors (see below), whose sum is σ = 171283611552. Its totient is φ = 22101111136.

The previous prime is 66303333431. The next prime is 66303333497. The reversal of 66303333456 is 65433330366.

It is a super-2 number, since 2×66303333456² (a number of 22 digits) contains 22 as substring.

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, 690659676 + ... + 690659771.

Almost surely, 2^66303333456 is an apocalyptic number.

It is an amenable number.

66303333456 is an abundant number, since it is smaller than the sum of its proper divisors (104980278096).

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

66303333456 is a wasteful number, since it uses less digits than its factorization.

66303333456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381319458 (or 1381319452 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 42.

The spelling of 66303333456 in words is "sixty-six billion, three hundred three million, three hundred thirty-three thousand, four hundred fifty-six".