66760744305 has 32 divisors (see below), whose sum is σ = 109320938496. Its totient is φ = 34777177344.

The previous prime is 66760744213. The next prime is 66760744333. The reversal of 66760744305 is 50344706766.

It is not a de Polignac number, because 66760744305 - 2⁹ = 66760743793 is a prime.

It is a super-4 number, since 4×66760744305⁴ (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 11002 + ... + 365571.

It is an arithmetic number, because the mean of its divisors is an integer number (3416279328).

Almost surely, 2^66760744305 is an apocalyptic number.

It is an amenable number.

66760744305 is a deficient number, since it is larger than the sum of its proper divisors (42560194191).

66760744305 is a wasteful number, since it uses less digits than its factorization.

66760744305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376857.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 66760744305 in words is "sixty-six billion, seven hundred sixty million, seven hundred forty-four thousand, three hundred five".