66736740073368 has 16 divisors (see below), whose sum is σ = 166841850183480. Its totient is φ = 22245580024448.

The previous prime is 66736740073331. The next prime is 66736740073379. The reversal of 66736740073368 is 86337004763766.

It is a junction number, because it is equal to n+sod(n) for n = 66736740073299 and 66736740073308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390348751505 + ... + 1390348751552.

Almost surely, 2^{66736740073368} is an apocalyptic number.

It is an amenable number.

66736740073368 is an abundant number, since it is smaller than the sum of its proper divisors (100105110110112).

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

66736740073368 is a wasteful number, since it uses less digits than its factorization.

66736740073368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780697503066 (or 2780697503062 counting only the distinct ones).

The product of its (nonzero) digits is 384072192, while the sum is 66.

The spelling of 66736740073368 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred forty million, seventy-three thousand, three hundred sixty-eight".