16061688 has 96 divisors (see below), whose sum is σ = 46800000. Its totient is φ = 4961088.

The previous prime is 16061687. The next prime is 16061699. The reversal of 16061688 is 88616061.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16061681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80613 + ... + 80811.

It is an arithmetic number, because the mean of its divisors is an integer number (487500).

Almost surely, 2^16061688 is an apocalyptic number.

16061688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16061688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23400000).

16061688 is an abundant number, since it is smaller than the sum of its proper divisors (30738312).

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

16061688 is a wasteful number, since it uses less digits than its factorization.

16061688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 16061688 is about 4007.7035818533. The cubic root of 16061688 is about 252.3076363848.

The spelling of 16061688 in words is "sixteen million, sixty-one thousand, six hundred eighty-eight".