66348133924 has 6 divisors (see below), whose sum is σ = 116109234374. Its totient is φ = 33174066960.

The previous prime is 66348133913. The next prime is 66348133927. The reversal of 66348133924 is 42933184366.

It can be written as a sum of positive squares in only one way, i.e., 50530544100 + 15817589824 = 224790^2 + 125768^2 .

It is not an unprimeable number, because it can be changed into a prime (66348133927) by changing a digit.

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 as a sum of consecutive naturals, namely, 8293516737 + ... + 8293516744.

Almost surely, 2^66348133924 is an apocalyptic number.

It is an amenable number.

66348133924 is a deficient number, since it is larger than the sum of its proper divisors (49761100450).

66348133924 is a wasteful number, since it uses less digits than its factorization.

66348133924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16587033485 (or 16587033483 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 49.

The spelling of 66348133924 in words is "sixty-six billion, three hundred forty-eight million, one hundred thirty-three thousand, nine hundred twenty-four".