66168225327 has 8 divisors (see below), whose sum is σ = 88244112816. Its totient is φ = 44102244032.

The previous prime is 66168225323. The next prime is 66168225359. The reversal of 66168225327 is 72352286166.

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 66168225327 - 2² = 66168225323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66168225323) 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, 2460948 + ... + 2487689.

It is an arithmetic number, because the mean of its divisors is an integer number (11030514102).

Almost surely, 2^66168225327 is an apocalyptic number.

66168225327 is a deficient number, since it is larger than the sum of its proper divisors (22075887489).

66168225327 is a wasteful number, since it uses less digits than its factorization.

66168225327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953097.

The product of its digits is 1451520, while the sum is 48.

The spelling of 66168225327 in words is "sixty-six billion, one hundred sixty-eight million, two hundred twenty-five thousand, three hundred twenty-seven".