16345280 has 56 divisors (see below), whose sum is σ = 44488608. Its totient is φ = 5603328.

The previous prime is 16345271. The next prime is 16345283. The reversal of 16345280 is 8254361.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (16345283) 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 7 ways as a sum of consecutive naturals, for example, 1409 + ... + 5888.

Almost surely, 2^16345280 is an apocalyptic number.

16345280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16345280 is an abundant number, since it is smaller than the sum of its proper divisors (28143328).

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

16345280 is an equidigital number, since it uses as much as digits as its factorization.

16345280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321 (or 7311 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 16345280 is about 4042.9296308494. The cubic root of 16345280 is about 253.7839318193.

The spelling of 16345280 in words is "sixteen million, three hundred forty-five thousand, two hundred eighty".