66567146068 has 12 divisors (see below), whose sum is σ = 116518384192. Its totient is φ = 33276179160.

The previous prime is 66567146059. The next prime is 66567146069. The reversal of 66567146068 is 86064176566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66567146069) 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, 1828188 + ... + 1864243.

Almost surely, 2^66567146068 is an apocalyptic number.

It is an amenable number.

66567146068 is a deficient number, since it is larger than the sum of its proper divisors (49951238124).

66567146068 is a wasteful number, since it uses less digits than its factorization.

66567146068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696942 (or 3696940 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 66567146068 in words is "sixty-six billion, five hundred sixty-seven million, one hundred forty-six thousand, sixty-eight".