667272522167 has 8 divisors (see below), whose sum is σ = 685324543200. Its totient is φ = 649221429024.

The previous prime is 667272522157. The next prime is 667272522173. The reversal of 667272522167 is 761225272766.

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 667272522167 - 2¹⁰ = 667272521143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667272522157) 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, 1374134 + ... + 1795212.

It is an arithmetic number, because the mean of its divisors is an integer number (85665567900).

Almost surely, 2^667272522167 is an apocalyptic number.

667272522167 is a deficient number, since it is larger than the sum of its proper divisors (18052021033).

667272522167 is a wasteful number, since it uses less digits than its factorization.

667272522167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463945.

The product of its digits is 5927040, while the sum is 53.

The spelling of 667272522167 in words is "six hundred sixty-seven billion, two hundred seventy-two million, five hundred twenty-two thousand, one hundred sixty-seven".