66243473124 has 24 divisors (see below), whose sum is σ = 154574817600. Its totient is φ = 22080198624.

The previous prime is 66243473119. The next prime is 66243473167. The reversal of 66243473124 is 42137434266.

It is a super-2 number, since 2×66243473124² (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 7 ways as a sum of consecutive naturals, for example, 202602 + ... + 416574.

It is an arithmetic number, because the mean of its divisors is an integer number (6440617400).

Almost surely, 2^66243473124 is an apocalyptic number.

It is an amenable number.

66243473124 is an abundant number, since it is smaller than the sum of its proper divisors (88331344476).

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

66243473124 is a wasteful number, since it uses less digits than its factorization.

66243473124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239779 (or 239777 counting only the distinct ones).

The product of its digits is 580608, while the sum is 42.

The spelling of 66243473124 in words is "sixty-six billion, two hundred forty-three million, four hundred seventy-three thousand, one hundred twenty-four".