16205830 has 16 divisors (see below), whose sum is σ = 29275344. Its totient is φ = 6459040.

The previous prime is 16205801. The next prime is 16205831. The reversal of 16205830 is 3850261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16205795 and 16205804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16205831) 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, 165 + ... + 5695.

It is an arithmetic number, because the mean of its divisors is an integer number (1829709).

Almost surely, 2^16205830 is an apocalyptic number.

16205830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16205830 is a deficient number, since it is larger than the sum of its proper divisors (13069514).

16205830 is a wasteful number, since it uses less digits than its factorization.

16205830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 16205830 is about 4025.6465319250. The cubic root of 16205830 is about 253.0601491133.

The spelling of 16205830 in words is "sixteen million, two hundred five thousand, eight hundred thirty".