16055004987 has 72 divisors (see below), whose sum is σ = 27807299520. Its totient is φ = 8895005280.

The previous prime is 16055004947. The next prime is 16055004989. The reversal of 16055004987 is 78940055061.

16055004987 is a `hidden beast` number, since 1 + 6 + 0 + 550 + 0 + 4 + 98 + 7 = 666.

It is not a de Polignac number, because 16055004987 - 2⁶ = 16055004923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16055004989) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2632812 + ... + 2638902.

Almost surely, 2^16055004987 is an apocalyptic number.

16055004987 is a deficient number, since it is larger than the sum of its proper divisors (11752294533).

16055004987 is a wasteful number, since it uses less digits than its factorization.

16055004987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293 (or 6283 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 16055004987 in words is "sixteen billion, fifty-five million, four thousand, nine hundred eighty-seven".