16005064 has 8 divisors (see below), whose sum is σ = 30009510. Its totient is φ = 8002528.

The previous prime is 16005043. The next prime is 16005091. The reversal of 16005064 is 46050061.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 7064964 = 2990^2 + 2658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1000309 + ... + 1000324.

Almost surely, 2^16005064 is an apocalyptic number.

It is an amenable number.

16005064 is a deficient number, since it is larger than the sum of its proper divisors (14004446).

16005064 is a wasteful number, since it uses less digits than its factorization.

16005064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000639 (or 2000635 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 16005064 is about 4000.6329499218. The cubic root of 16005064 is about 252.0107915090.

The spelling of 16005064 in words is "sixteen million, five thousand, sixty-four".