16276320 has 144 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 4257792.

The previous prime is 16276319. The next prime is 16276343. The reversal of 16276320 is 2367261.

It is a happy number.

16276320 is a `hidden beast` number, since 1 + 6 + 27 + 632 + 0 = 666.

16276320 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 tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128097 + ... + 128223.

It is an arithmetic number, because the mean of its divisors is an integer number (393120).

It is a vampire number, since it can be written as 2136 ⋅ 7620 (with its own digits).

Almost surely, 2^16276320 is an apocalyptic number.

16276320 is a gapful number since it is divisible by the number (10) 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 16276320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

16276320 is an abundant number, since it is smaller than the sum of its proper divisors (40332960).

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

16276320 is a wasteful number, since it uses less digits than its factorization.

16276320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 16276320 is about 4034.3921475236. The cubic root of 16276320 is about 253.4265277312.

The spelling of 16276320 in words is "sixteen million, two hundred seventy-six thousand, three hundred twenty".