66130065236504 has 8 divisors (see below), whose sum is σ = 123993872318460. Its totient is φ = 33065032618248.

The previous prime is 66130065236503. The next prime is 66130065236507. The reversal of 66130065236504 is 40563256003166.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66130065236503) 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, 4133129077274 + ... + 4133129077289.

Almost surely, 2^{66130065236504} is an apocalyptic number.

It is an amenable number.

66130065236504 is a deficient number, since it is larger than the sum of its proper divisors (57863807081956).

66130065236504 is a wasteful number, since it uses less digits than its factorization.

66130065236504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266258154569 (or 8266258154565 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 66130065236504 in words is "sixty-six trillion, one hundred thirty billion, sixty-five million, two hundred thirty-six thousand, five hundred four".