168097376771 has 2 divisors, whose sum is σ = 168097376772. Its totient is φ = 168097376770.

The previous prime is 168097376749. The next prime is 168097376791. The reversal of 168097376771 is 177673790861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168097376771 is a prime.

It is not a weakly prime, because it can be changed into another prime (168097376791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84048688385 + 84048688386.

It is an arithmetic number, because the mean of its divisors is an integer number (84048688386).

Almost surely, 2^168097376771 is an apocalyptic number.

168097376771 is a deficient number, since it is larger than the sum of its proper divisors (1).

168097376771 is an equidigital number, since it uses as much as digits as its factorization.

168097376771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18670176, while the sum is 62.

The spelling of 168097376771 in words is "one hundred sixty-eight billion, ninety-seven million, three hundred seventy-six thousand, seven hundred seventy-one".