16045340 has 24 divisors (see below), whose sum is σ = 34026720. Its totient is φ = 6355008.

The previous prime is 16045339. The next prime is 16045357. The reversal of 16045340 is 4354061.

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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835 + ... + 5954.

It is an arithmetic number, because the mean of its divisors is an integer number (1417780).

Almost surely, 2^16045340 is an apocalyptic number.

16045340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16045340 is an abundant number, since it is smaller than the sum of its proper divisors (17981380).

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

16045340 is a wasteful number, since it uses less digits than its factorization.

16045340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7901 (or 7899 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 16045340 is about 4005.6634906093. The cubic root of 16045340 is about 252.2220055875. Note that the first 3 decimals are identical.

The spelling of 16045340 in words is "sixteen million, forty-five thousand, three hundred forty".