168851262770803 has 2 divisors, whose sum is σ = 168851262770804. Its totient is φ = 168851262770802.

The previous prime is 168851262770783. The next prime is 168851262770807. The reversal of 168851262770803 is 308077262158861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168851262770803 is a prime.

It is not a weakly prime, because it can be changed into another prime (168851262770807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84425631385401 + 84425631385402.

It is an arithmetic number, because the mean of its divisors is an integer number (84425631385402).

Almost surely, 2^{168851262770803} is an apocalyptic number.

168851262770803 is a deficient number, since it is larger than the sum of its proper divisors (1).

168851262770803 is an equidigital number, since it uses as much as digits as its factorization.

168851262770803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54190080, while the sum is 64.

The spelling of 168851262770803 in words is "one hundred sixty-eight trillion, eight hundred fifty-one billion, two hundred sixty-two million, seven hundred seventy thousand, eight hundred three".