167680532641 has 2 divisors, whose sum is σ = 167680532642. Its totient is φ = 167680532640.

The previous prime is 167680532611. The next prime is 167680532683. The reversal of 167680532641 is 146235086761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167441366416 + 239166225 = 409196^2 + 15465^2 .

It is a cyclic number.

It is not a de Polignac number, because 167680532641 - 2²³ = 167672144033 is a prime.

It is a super-2 number, since 2×167680532641² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (167680532611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83840266320 + 83840266321.

It is an arithmetic number, because the mean of its divisors is an integer number (83840266321).

Almost surely, 2^167680532641 is an apocalyptic number.

It is an amenable number.

167680532641 is a deficient number, since it is larger than the sum of its proper divisors (1).

167680532641 is an equidigital number, since it uses as much as digits as its factorization.

167680532641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 167680532641 in words is "one hundred sixty-seven billion, six hundred eighty million, five hundred thirty-two thousand, six hundred forty-one".