16253280 has 72 divisors (see below), whose sum is σ = 55469232. Its totient is φ = 4333824.

The previous prime is 16253273. The next prime is 16253291. The reversal of 16253280 is 8235261.

16253280 is a `hidden beast` number, since 1 + 625 + 32 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×16253280² = 528338221516800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4204 + ... + 7083.

It is an arithmetic number, because the mean of its divisors is an integer number (770406).

Almost surely, 2^16253280 is an apocalyptic number.

16253280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16253280 is an abundant number, since it is smaller than the sum of its proper divisors (39215952).

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

16253280 is a wasteful number, since it uses less digits than its factorization.

16253280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11308 (or 11297 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 16253280 is about 4031.5356875513. The cubic root of 16253280 is about 253.3068916693.

The spelling of 16253280 in words is "sixteen million, two hundred fifty-three thousand, two hundred eighty".