66773670337 has 8 divisors (see below), whose sum is σ = 77128945632. Its totient is φ = 57132552000.

The previous prime is 66773670331. The next prime is 66773670343. The reversal of 66773670337 is 73307637766.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66773670331) and next prime (66773670343).

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 66773670337 - 2¹¹ = 66773668289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66773670331) 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, 178539039 + ... + 178539412.

It is an arithmetic number, because the mean of its divisors is an integer number (9641118204).

Almost surely, 2^66773670337 is an apocalyptic number.

It is an amenable number.

66773670337 is a deficient number, since it is larger than the sum of its proper divisors (10355275295).

66773670337 is a wasteful number, since it uses less digits than its factorization.

66773670337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357078479.

The product of its (nonzero) digits is 14002632, while the sum is 55.

The spelling of 66773670337 in words is "sixty-six billion, seven hundred seventy-three million, six hundred seventy thousand, three hundred thirty-seven".