67066670040368 has 20 divisors (see below), whose sum is σ = 130410776725200. Its totient is φ = 33412276046784.

The previous prime is 67066670040367. The next prime is 67066670040379. The reversal of 67066670040368 is 86304007666076.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (67066670040367) 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, 7566181268 + ... + 7566190131.

It is an arithmetic number, because the mean of its divisors is an integer number (6520538836260).

Almost surely, 2^{67066670040368} is an apocalyptic number.

It is an amenable number.

67066670040368 is a deficient number, since it is larger than the sum of its proper divisors (63344106684832).

67066670040368 is a wasteful number, since it uses less digits than its factorization.

67066670040368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15132371684 (or 15132371678 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 59.

The spelling of 67066670040368 in words is "sixty-seven trillion, sixty-six billion, six hundred seventy million, forty thousand, three hundred sixty-eight".