66120316167 has 8 divisors (see below), whose sum is σ = 88163418096. Its totient is φ = 44078712512.

The previous prime is 66120316147. The next prime is 66120316177. The reversal of 66120316167 is 76161302166.

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 66120316167 - 2¹¹ = 66120314119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66120316147) 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, 267198 + ... + 451259.

It is an arithmetic number, because the mean of its divisors is an integer number (11020427262).

Almost surely, 2^66120316167 is an apocalyptic number.

66120316167 is a deficient number, since it is larger than the sum of its proper divisors (22043101929).

66120316167 is a wasteful number, since it uses less digits than its factorization.

66120316167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749137.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 66120316167 in words is "sixty-six billion, one hundred twenty million, three hundred sixteen thousand, one hundred sixty-seven".