16256120 has 16 divisors (see below), whose sum is σ = 36576360. Its totient is φ = 6502432.

The previous prime is 16256113. The next prime is 16256129. The reversal of 16256120 is 2165261.

It is a super-2 number, since 2×16256120² = 528522874908800, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16256129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203162 + ... + 203241.

Almost surely, 2^16256120 is an apocalyptic number.

16256120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16256120 is an abundant number, since it is smaller than the sum of its proper divisors (20320240).

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

16256120 is a wasteful number, since it uses less digits than its factorization.

16256120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406414 (or 406410 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16256120 is about 4031.8878952669. The cubic root of 16256120 is about 253.3216445823.

The spelling of 16256120 in words is "sixteen million, two hundred fifty-six thousand, one hundred twenty".