16081510887 has 12 divisors (see below), whose sum is σ = 25015683784. Its totient is φ = 9896314320.

The previous prime is 16081510843. The next prime is 16081510903. The reversal of 16081510887 is 78801518061.

It is not a de Polignac number, because 16081510887 - 2⁷ = 16081510759 is a prime.

It is a super-2 number, since 2×16081510887² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16081510807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68724289 + ... + 68724522.

Almost surely, 2^16081510887 is an apocalyptic number.

16081510887 is a deficient number, since it is larger than the sum of its proper divisors (8934172897).

16081510887 is a wasteful number, since it uses less digits than its factorization.

16081510887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137448830 (or 137448827 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 45.

The spelling of 16081510887 in words is "sixteen billion, eighty-one million, five hundred ten thousand, eight hundred eighty-seven".