16091856 has 60 divisors (see below), whose sum is σ = 49133760. Its totient is φ = 4875840.

The previous prime is 16091827. The next prime is 16091857. The reversal of 16091856 is 65819061.

16091856 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16091856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16091857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3496 + ... + 6663.

It is an arithmetic number, because the mean of its divisors is an integer number (818896).

Almost surely, 2^16091856 is an apocalyptic number.

16091856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16091856 is an abundant number, since it is smaller than the sum of its proper divisors (33041904).

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

16091856 is a wasteful number, since it uses less digits than its factorization.

16091856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184 (or 10175 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 16091856 is about 4011.4655675950. The cubic root of 16091856 is about 252.4655038977.

The spelling of 16091856 in words is "sixteen million, ninety-one thousand, eight hundred fifty-six".