16380456 has 16 divisors (see below), whose sum is σ = 40951200. Its totient is φ = 5460144.

The previous prime is 16380437. The next prime is 16380457. The reversal of 16380456 is 65408361.

It is not an unprimeable number, because it can be changed into a prime (16380457) 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, 341236 + ... + 341283.

It is an arithmetic number, because the mean of its divisors is an integer number (2559450).

Almost surely, 2^16380456 is an apocalyptic number.

It is an amenable number.

16380456 is an abundant number, since it is smaller than the sum of its proper divisors (24570744).

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

16380456 is a wasteful number, since it uses less digits than its factorization.

16380456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682528 (or 682524 counting only the distinct ones).

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

The square root of 16380456 is about 4047.2776035256. The cubic root of 16380456 is about 253.9658540082.

It can be divided in two parts, 16380 and 456, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 16380456 in words is "sixteen million, three hundred eighty thousand, four hundred fifty-six".