16522145 has 16 divisors (see below), whose sum is σ = 20418048. Its totient is φ = 12828480.

The previous prime is 16522123. The next prime is 16522171. The reversal of 16522145 is 54122561.

It is not a de Polignac number, because 16522145 - 2⁶ = 16522081 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 39035 + ... + 39455.

It is an arithmetic number, because the mean of its divisors is an integer number (1276128).

Almost surely, 2^16522145 is an apocalyptic number.

It is an amenable number.

16522145 is a deficient number, since it is larger than the sum of its proper divisors (3895903).

16522145 is a wasteful number, since it uses less digits than its factorization.

16522145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its digits is 2400, while the sum is 26.

The square root of 16522145 is about 4064.7441493900. The cubic root of 16522145 is about 254.6960109442.

The spelling of 16522145 in words is "sixteen million, five hundred twenty-two thousand, one hundred forty-five".