16081688 has 16 divisors (see below), whose sum is σ = 34460880. Its totient is φ = 6892128.

The previous prime is 16081679. The next prime is 16081693. The reversal of 16081688 is 88618061.

16081688 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

16081688 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143531 + ... + 143642.

It is an arithmetic number, because the mean of its divisors is an integer number (2153805).

Almost surely, 2^16081688 is an apocalyptic number.

It is an amenable number.

16081688 is an abundant number, since it is smaller than the sum of its proper divisors (18379192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16081688 is a wasteful number, since it uses less digits than its factorization.

16081688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287186 (or 287182 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 16081688 is about 4010.1980000992. The cubic root of 16081688 is about 252.4123173641.

The spelling of 16081688 in words is "sixteen million, eighty-one thousand, six hundred eighty-eight".