168981463360183 has 2 divisors, whose sum is σ = 168981463360184. Its totient is φ = 168981463360182.

The previous prime is 168981463360147. The next prime is 168981463360189. The reversal of 168981463360183 is 381063364189861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168981463360183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168981463360189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84490731680091 + 84490731680092.

It is an arithmetic number, because the mean of its divisors is an integer number (84490731680092).

Almost surely, 2^{168981463360183} is an apocalyptic number.

168981463360183 is a deficient number, since it is larger than the sum of its proper divisors (1).

168981463360183 is an equidigital number, since it uses as much as digits as its factorization.

168981463360183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107495424, while the sum is 67.

The spelling of 168981463360183 in words is "one hundred sixty-eight trillion, nine hundred eighty-one billion, four hundred sixty-three million, three hundred sixty thousand, one hundred eighty-three".