16487786983 has 2 divisors, whose sum is σ = 16487786984. Its totient is φ = 16487786982.

The previous prime is 16487786981. The next prime is 16487786989. The reversal of 16487786983 is 38968778461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16487786983 - 2¹ = 16487786981 is a prime.

Together with 16487786981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16487786981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8243893491 + 8243893492.

It is an arithmetic number, because the mean of its divisors is an integer number (8243893492).

Almost surely, 2^16487786983 is an apocalyptic number.

16487786983 is a deficient number, since it is larger than the sum of its proper divisors (1).

16487786983 is an equidigital number, since it uses as much as digits as its factorization.

16487786983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 67.

The spelling of 16487786983 in words is "sixteen billion, four hundred eighty-seven million, seven hundred eighty-six thousand, nine hundred eighty-three".