66808893367 has 8 divisors (see below), whose sum is σ = 67637037312. Its totient is φ = 65984523000.

The previous prime is 66808893341. The next prime is 66808893373. The reversal of 66808893367 is 76339880866.

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

It is a cyclic number.

It is not a de Polignac number, because 66808893367 - 2¹¹ = 66808891319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66808893299 and 66808893308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66808893337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 907759 + ... + 978592.

It is an arithmetic number, because the mean of its divisors is an integer number (8454629664).

Almost surely, 2^66808893367 is an apocalyptic number.

66808893367 is a deficient number, since it is larger than the sum of its proper divisors (828143945).

66808893367 is a wasteful number, since it uses less digits than its factorization.

66808893367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886789.

The product of its (nonzero) digits is 62705664, while the sum is 64.

The spelling of 66808893367 in words is "sixty-six billion, eight hundred eight million, eight hundred ninety-three thousand, three hundred sixty-seven".