16045555 has 16 divisors (see below), whose sum is σ = 20412000. Its totient is φ = 12087040.

The previous prime is 16045553. The next prime is 16045571. The reversal of 16045555 is 55554061.

It is not a de Polignac number, because 16045555 - 2¹ = 16045553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16045553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4596 + ... + 7294.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^16045555 is an apocalyptic number.

16045555 is a deficient number, since it is larger than the sum of its proper divisors (4366445).

16045555 is a wasteful number, since it uses less digits than its factorization.

16045555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 16045555 is about 4005.6903275216. The cubic root of 16045555 is about 252.2231321345.

The spelling of 16045555 in words is "sixteen million, forty-five thousand, five hundred fifty-five".