66084712753924 has 12 divisors (see below), whose sum is σ = 116098240501404. Its totient is φ = 32913786896384.

The previous prime is 66084712753921. The next prime is 66084712753979. The reversal of 66084712753924 is 42935721748066.

It can be written as a sum of positive squares in 2 ways, for example, as 65739955888324 + 344756865600 = 8108018^2 + 587160^2 .

It is not an unprimeable number, because it can be changed into a prime (66084712753921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32142368989 + ... + 32142371044.

It is an arithmetic number, because the mean of its divisors is an integer number (9674853375117).

It is a 2-persistent number, because it is pandigital, and so is 2⋅66084712753924 = 132169425507848, but 3⋅66084712753924 = 198254138261772 is not.

Almost surely, 2^{66084712753924} is an apocalyptic number.

It is an amenable number.

66084712753924 is a deficient number, since it is larger than the sum of its proper divisors (50013527747480).

66084712753924 is a wasteful number, since it uses less digits than its factorization.

66084712753924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64284740294 (or 64284740292 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 64.

The spelling of 66084712753924 in words is "sixty-six trillion, eighty-four billion, seven hundred twelve million, seven hundred fifty-three thousand, nine hundred twenty-four".