16535957983 has 2 divisors, whose sum is σ = 16535957984. Its totient is φ = 16535957982.

The previous prime is 16535957957. The next prime is 16535957989. The reversal of 16535957983 is 38975953561.

It is a strong prime.

It is an emirp because it is prime and its reverse (38975953561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16535957983 - 2³³ = 7946023391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16535957989) 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, 8267978991 + 8267978992.

It is an arithmetic number, because the mean of its divisors is an integer number (8267978992).

Almost surely, 2^16535957983 is an apocalyptic number.

16535957983 is a deficient number, since it is larger than the sum of its proper divisors (1).

16535957983 is an equidigital number, since it uses as much as digits as its factorization.

16535957983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618000, while the sum is 61.

The spelling of 16535957983 in words is "sixteen billion, five hundred thirty-five million, nine hundred fifty-seven thousand, nine hundred eighty-three".