16049920 has 36 divisors (see below), whose sum is σ = 38447640. Its totient is φ = 6419456.

The previous prime is 16049899. The next prime is 16049939. The reversal of 16049920 is 2994061.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4990 + ... + 7549.

It is an arithmetic number, because the mean of its divisors is an integer number (1067990).

Almost surely, 2^16049920 is an apocalyptic number.

16049920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16049920 is an abundant number, since it is smaller than the sum of its proper divisors (22397720).

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

16049920 is an equidigital number, since it uses as much as digits as its factorization.

16049920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560 (or 12546 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 16049920 is about 4006.2351403781. The cubic root of 16049920 is about 252.2460014827.

The spelling of 16049920 in words is "sixteen million, forty-nine thousand, nine hundred twenty".