2667167271173 has 2 divisors, whose sum is σ = 2667167271174.
Its totient is φ = 2667167271172.
The previous prime is 2667167271103. The next prime is 2667167271187. The reversal of 2667167271173 is 3711727617662.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2630257945249 + 36909325924 = 1621807^2 + 192118^2
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2667167271173 is a prime.
It is a super-2 number, since 2×26671672711732 (a number of 26 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2667167271103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333583635586 + 1333583635587.
It is an arithmetic number, because the mean of its divisors is an integer number (1333583635587).
Almost surely, 22667167271173 is an apocalyptic number.
It is an amenable number.
2667167271173 is a deficient number, since it is larger than the sum of its proper divisors (1).
2667167271173 is an equidigital number, since it uses as much as digits as its factorization.
2667167271173 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6223392, while the sum is 56.
The spelling of 2667167271173 in words is "two trillion, six hundred sixty-seven billion, one hundred sixty-seven million, two hundred seventy-one thousand, one hundred seventy-three".