168828503983 has 2 divisors, whose sum is σ = 168828503984. Its totient is φ = 168828503982.

The previous prime is 168828503971. The next prime is 168828503989. The reversal of 168828503983 is 389305828861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168828503983 - 2²¹ = 168826406831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168828503989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84414251991 + 84414251992.

It is an arithmetic number, because the mean of its divisors is an integer number (84414251992).

Almost surely, 2^168828503983 is an apocalyptic number.

168828503983 is a deficient number, since it is larger than the sum of its proper divisors (1).

168828503983 is an equidigital number, since it uses as much as digits as its factorization.

168828503983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19906560, while the sum is 61.

The spelling of 168828503983 in words is "one hundred sixty-eight billion, eight hundred twenty-eight million, five hundred three thousand, nine hundred eighty-three".