16380256 has 24 divisors (see below), whose sum is σ = 32341680. Its totient is φ = 8166528.

The previous prime is 16380253. The next prime is 16380257. The reversal of 16380256 is 65208361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16380253) by changing a digit.

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, 17365 + ... + 18283.

It is an arithmetic number, because the mean of its divisors is an integer number (1347570).

Almost surely, 2^16380256 is an apocalyptic number.

16380256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16380256 is a deficient number, since it is larger than the sum of its proper divisors (15961424).

16380256 is an equidigital number, since it uses as much as digits as its factorization.

16380256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1478 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 16380256 is about 4047.2528954836. The cubic root of 16380256 is about 253.9648203907.

The spelling of 16380256 in words is "sixteen million, three hundred eighty thousand, two hundred fifty-six".