16382720 has 36 divisors (see below), whose sum is σ = 39244800. Its totient is φ = 6552576.

The previous prime is 16382719. The next prime is 16382791. The reversal of 16382720 is 2728361.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5120 + ... + 7679.

Almost surely, 2^16382720 is an apocalyptic number.

16382720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16382720 is an abundant number, since it is smaller than the sum of its proper divisors (22862080).

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

16382720 is an equidigital number, since it uses as much as digits as its factorization.

16382720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12820 (or 12806 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 16382720 is about 4047.5572880442. The cubic root of 16382720 is about 253.9775539716.

The spelling of 16382720 in words is "sixteen million, three hundred eighty-two thousand, seven hundred twenty".