20016702925663 has 2 divisors, whose sum is σ = 20016702925664. Its totient is φ = 20016702925662.

The previous prime is 20016702925651. The next prime is 20016702925691. The reversal of 20016702925663 is 36652920761002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20016702925663 - 2¹⁷ = 20016702794591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20016702922663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10008351462831 + 10008351462832.

It is an arithmetic number, because the mean of its divisors is an integer number (10008351462832).

Almost surely, 2^{20016702925663} is an apocalyptic number.

20016702925663 is a deficient number, since it is larger than the sum of its proper divisors (1).

20016702925663 is an equidigital number, since it uses as much as digits as its factorization.

20016702925663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 20016702925663 in words is "twenty trillion, sixteen billion, seven hundred two million, nine hundred twenty-five thousand, six hundred sixty-three".