16887600261 has 12 divisors (see below), whose sum is σ = 27877943392. Its totient is φ = 9650057256.

The previous prime is 16887600259. The next prime is 16887600283. The reversal of 16887600261 is 16200678861.

It is a happy number.

16887600261 is a `hidden beast` number, since 16 + 8 + 8 + 7 + 600 + 26 + 1 = 666.

16887600261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16887600261 - 2¹ = 16887600259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16887600211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134028511 + ... + 134028636.

Almost surely, 2^16887600261 is an apocalyptic number.

It is an amenable number.

16887600261 is a deficient number, since it is larger than the sum of its proper divisors (10990343131).

16887600261 is a wasteful number, since it uses less digits than its factorization.

16887600261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268057160 (or 268057157 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 16887600261 in words is "sixteen billion, eight hundred eighty-seven million, six hundred thousand, two hundred sixty-one".