168146341877 has 2 divisors, whose sum is σ = 168146341878. Its totient is φ = 168146341876.

The previous prime is 168146341871. The next prime is 168146341901. The reversal of 168146341877 is 778143641861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159595456036 + 8550885841 = 399494^2 + 92471^2 .

It is a cyclic number.

It is not a de Polignac number, because 168146341877 - 2⁶ = 168146341813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168146341871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84073170938 + 84073170939.

It is an arithmetic number, because the mean of its divisors is an integer number (84073170939).

Almost surely, 2^168146341877 is an apocalyptic number.

It is an amenable number.

168146341877 is a deficient number, since it is larger than the sum of its proper divisors (1).

168146341877 is an equidigital number, since it uses as much as digits as its factorization.

168146341877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5419008, while the sum is 56.

The spelling of 168146341877 in words is "one hundred sixty-eight billion, one hundred forty-six million, three hundred forty-one thousand, eight hundred seventy-seven".