167442261523373 has 2 divisors, whose sum is σ = 167442261523374. Its totient is φ = 167442261523372.

The previous prime is 167442261523349. The next prime is 167442261523391. The reversal of 167442261523373 is 373325162244761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139634800658089 + 27807460865284 = 11816717^2 + 5273278^2 .

It is a cyclic number.

It is not a de Polignac number, because 167442261523373 - 2¹⁸ = 167442261261229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167442261523343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83721130761686 + 83721130761687.

It is an arithmetic number, because the mean of its divisors is an integer number (83721130761687).

Almost surely, 2^{167442261523373} is an apocalyptic number.

It is an amenable number.

167442261523373 is a deficient number, since it is larger than the sum of its proper divisors (1).

167442261523373 is an equidigital number, since it uses as much as digits as its factorization.

167442261523373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 56.

The spelling of 167442261523373 in words is "one hundred sixty-seven trillion, four hundred forty-two billion, two hundred sixty-one million, five hundred twenty-three thousand, three hundred seventy-three".