66060672167 has 6 divisors (see below), whose sum is σ = 76846088088. Its totient is φ = 56623433244.

The previous prime is 66060672163. The next prime is 66060672191. The reversal of 66060672167 is 76127606066.

It is not a de Polignac number, because 66060672167 - 2² = 66060672163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66060672163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674088443 + ... + 674088540.

It is an arithmetic number, because the mean of its divisors is an integer number (12807681348).

Almost surely, 2^66060672167 is an apocalyptic number.

66060672167 is a deficient number, since it is larger than the sum of its proper divisors (10785415921).

66060672167 is a wasteful number, since it uses less digits than its factorization.

66060672167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348176997 (or 1348176990 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 66060672167 in words is "sixty-six billion, sixty million, six hundred seventy-two thousand, one hundred sixty-seven".