16055500987 has 2 divisors, whose sum is σ = 16055500988. Its totient is φ = 16055500986.

The previous prime is 16055500963. The next prime is 16055501017. The reversal of 16055500987 is 78900555061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16055500987 - 2¹¹ = 16055498939 is a prime.

It is a super-3 number, since 3×16055500987³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (16055510987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8027750493 + 8027750494.

It is an arithmetic number, because the mean of its divisors is an integer number (8027750494).

Almost surely, 2^16055500987 is an apocalyptic number.

16055500987 is a deficient number, since it is larger than the sum of its proper divisors (1).

16055500987 is an equidigital number, since it uses as much as digits as its factorization.

16055500987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 46.

The spelling of 16055500987 in words is "sixteen billion, fifty-five million, five hundred thousand, nine hundred eighty-seven".