16256330 has 16 divisors (see below), whose sum is σ = 29323080. Its totient is φ = 6488832.

The previous prime is 16256323. The next prime is 16256333. The reversal of 16256330 is 3365261.

It can be written as a sum of positive squares in 4 ways, for example, as 11689561 + 4566769 = 3419^2 + 2137^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16256330.

It is not an unprimeable number, because it can be changed into a prime (16256333) 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, 4262 + ... + 7118.

Almost surely, 2^16256330 is an apocalyptic number.

16256330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16256330 is a deficient number, since it is larger than the sum of its proper divisors (13066750).

16256330 is a wasteful number, since it uses less digits than its factorization.

16256330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 16256330 is about 4031.9139375736. The cubic root of 16256330 is about 253.3227353985.

The spelling of 16256330 in words is "sixteen million, two hundred fifty-six thousand, three hundred thirty".