167620078133 has 2 divisors, whose sum is σ = 167620078134. Its totient is φ = 167620078132.

The previous prime is 167620078027. The next prime is 167620078151. The reversal of 167620078133 is 331870026761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117483046564 + 50137031569 = 342758^2 + 223913^2 .

It is a cyclic number.

It is not a de Polignac number, because 167620078133 - 2³⁰ = 166546336309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167620078433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83810039066 + 83810039067.

It is an arithmetic number, because the mean of its divisors is an integer number (83810039067).

Almost surely, 2^167620078133 is an apocalyptic number.

It is an amenable number.

167620078133 is a deficient number, since it is larger than the sum of its proper divisors (1).

167620078133 is an equidigital number, since it uses as much as digits as its factorization.

167620078133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 167620078133 in words is "one hundred sixty-seven billion, six hundred twenty million, seventy-eight thousand, one hundred thirty-three".