85168341751 has 2 divisors, whose sum is σ = 85168341752. Its totient is φ = 85168341750.

The previous prime is 85168341743. The next prime is 85168341767. The reversal of 85168341751 is 15714386158.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85168341751 - 2³ = 85168341743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85168341695 and 85168341704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85168341151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42584170875 + 42584170876.

It is an arithmetic number, because the mean of its divisors is an integer number (42584170876).

Almost surely, 2^85168341751 is an apocalyptic number.

85168341751 is a deficient number, since it is larger than the sum of its proper divisors (1).

85168341751 is an equidigital number, since it uses as much as digits as its factorization.

85168341751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 49.

The spelling of 85168341751 in words is "eighty-five billion, one hundred sixty-eight million, three hundred forty-one thousand, seven hundred fifty-one".