16453680 has 80 divisors (see below), whose sum is σ = 51425280. Its totient is φ = 4351744.

The previous prime is 16453673. The next prime is 16453681. The reversal of 16453680 is 8635461.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (16453681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42769 + ... + 43151.

It is an arithmetic number, because the mean of its divisors is an integer number (642816).

Almost surely, 2^16453680 is an apocalyptic number.

16453680 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 16453680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25712640).

16453680 is an abundant number, since it is smaller than the sum of its proper divisors (34971600).

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

16453680 is a wasteful number, since it uses less digits than its factorization.

16453680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 16453680 is about 4056.3135973443. The cubic root of 16453680 is about 254.3437180189.

The spelling of 16453680 in words is "sixteen million, four hundred fifty-three thousand, six hundred eighty".