66733340704 has 24 divisors (see below), whose sum is σ = 131387045328. Its totient is φ = 33365202240.

The previous prime is 66733340677. The next prime is 66733340719. The reversal of 66733340704 is 40704333766.

66733340704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66733340704² (a number of 22 digits) contains 22 as substring.

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, 1301799 + ... + 1352089.

It is an arithmetic number, because the mean of its divisors is an integer number (5474460222).

Almost surely, 2^66733340704 is an apocalyptic number.

It is an amenable number.

66733340704 is a deficient number, since it is larger than the sum of its proper divisors (64653704624).

66733340704 is a wasteful number, since it uses less digits than its factorization.

66733340704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91768 (or 91760 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 43.

The spelling of 66733340704 in words is "sixty-six billion, seven hundred thirty-three million, three hundred forty thousand, seven hundred four".