66675351326 has 8 divisors (see below), whose sum is σ = 100014147360. Its totient is φ = 33337302208.

The previous prime is 66675351317. The next prime is 66675351343. The reversal of 66675351326 is 62315357666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182315 + ... + 408153.

It is an arithmetic number, because the mean of its divisors is an integer number (12501768420).

Almost surely, 2^66675351326 is an apocalyptic number.

66675351326 is a deficient number, since it is larger than the sum of its proper divisors (33338796034).

66675351326 is a wasteful number, since it uses less digits than its factorization.

66675351326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373458.

The product of its digits is 4082400, while the sum is 50.

The spelling of 66675351326 in words is "sixty-six billion, six hundred seventy-five million, three hundred fifty-one thousand, three hundred twenty-six".