66767541167 has 2 divisors, whose sum is σ = 66767541168. Its totient is φ = 66767541166.

The previous prime is 66767541151. The next prime is 66767541193. The reversal of 66767541167 is 76114576766.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66767541167 - 2⁴ = 66767541151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66767561167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33383770583 + 33383770584.

It is an arithmetic number, because the mean of its divisors is an integer number (33383770584).

Almost surely, 2^66767541167 is an apocalyptic number.

66767541167 is a deficient number, since it is larger than the sum of its proper divisors (1).

66767541167 is an equidigital number, since it uses as much as digits as its factorization.

66767541167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 56.

The spelling of 66767541167 in words is "sixty-six billion, seven hundred sixty-seven million, five hundred forty-one thousand, one hundred sixty-seven".