20116361663701 has 2 divisors, whose sum is σ = 20116361663702. Its totient is φ = 20116361663700.

The previous prime is 20116361663693. The next prime is 20116361663729. The reversal of 20116361663701 is 10736616361102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11778445536676 + 8337916127025 = 3431974^2 + 2887545^2 .

It is a cyclic number.

It is not a de Polignac number, because 20116361663701 - 2³ = 20116361663693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20116361663771) 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, 10058180831850 + 10058180831851.

It is an arithmetic number, because the mean of its divisors is an integer number (10058180831851).

Almost surely, 2^{20116361663701} is an apocalyptic number.

It is an amenable number.

20116361663701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116361663701 is an equidigital number, since it uses as much as digits as its factorization.

20116361663701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 20116361663701 in words is "twenty trillion, one hundred sixteen billion, three hundred sixty-one million, six hundred sixty-three thousand, seven hundred one".