2016138723503 has 2 divisors, whose sum is σ = 2016138723504. Its totient is φ = 2016138723502.

The previous prime is 2016138723481. The next prime is 2016138723509. The reversal of 2016138723503 is 3053278316102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2016138723503 - 2¹⁴ = 2016138707119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2016138723509) 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, 1008069361751 + 1008069361752.

It is an arithmetic number, because the mean of its divisors is an integer number (1008069361752).

Almost surely, 2^{2016138723503} is an apocalyptic number.

2016138723503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016138723503 is an equidigital number, since it uses as much as digits as its factorization.

2016138723503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 2016138723503 in words is "two trillion, sixteen billion, one hundred thirty-eight million, seven hundred twenty-three thousand, five hundred three".