66740700067 has 8 divisors (see below), whose sum is σ = 67303740240. Its totient is φ = 66179773440.

The previous prime is 66740700007. The next prime is 66740700071. The reversal of 66740700067 is 76000704766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66740700067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66740699996 and 66740700032.

It is not an unprimeable number, because it can be changed into a prime (66740700007) 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 in 7 ways as a sum of consecutive naturals, for example, 464934 + ... + 591307.

It is an arithmetic number, because the mean of its divisors is an integer number (8412967530).

Almost surely, 2^66740700067 is an apocalyptic number.

66740700067 is a deficient number, since it is larger than the sum of its proper divisors (563040173).

66740700067 is a wasteful number, since it uses less digits than its factorization.

66740700067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056773.

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 66740700067 in words is "sixty-six billion, seven hundred forty million, seven hundred thousand, sixty-seven".