216697091533103 has 2 divisors, whose sum is σ = 216697091533104. Its totient is φ = 216697091533102.

The previous prime is 216697091533051. The next prime is 216697091533157. The reversal of 216697091533103 is 301335190796612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216697091533103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216697091536103) 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, 108348545766551 + 108348545766552.

It is an arithmetic number, because the mean of its divisors is an integer number (108348545766552).

Almost surely, 2^{216697091533103} is an apocalyptic number.

216697091533103 is a deficient number, since it is larger than the sum of its proper divisors (1).

216697091533103 is an equidigital number, since it uses as much as digits as its factorization.

216697091533103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5511240, while the sum is 56.

The spelling of 216697091533103 in words is "two hundred sixteen trillion, six hundred ninety-seven billion, ninety-one million, five hundred thirty-three thousand, one hundred three".