83416693663 has 2 divisors, whose sum is σ = 83416693664. Its totient is φ = 83416693662.

The previous prime is 83416693651. The next prime is 83416693727. The reversal of 83416693663 is 36639661438.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83416693663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83816693663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41708346831 + 41708346832.

It is an arithmetic number, because the mean of its divisors is an integer number (41708346832).

Almost surely, 2^83416693663 is an apocalyptic number.

83416693663 is a deficient number, since it is larger than the sum of its proper divisors (1).

83416693663 is an equidigital number, since it uses as much as digits as its factorization.

83416693663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 55.

The spelling of 83416693663 in words is "eighty-three billion, four hundred sixteen million, six hundred ninety-three thousand, six hundred sixty-three".