16064804564 has 12 divisors (see below), whose sum is σ = 28114802100. Its totient is φ = 8032003968.

The previous prime is 16064804537. The next prime is 16064804579. The reversal of 16064804564 is 46540846061.

It can be written as a sum of positive squares in 2 ways, for example, as 7096714564 + 8968090000 = 84242^2 + 94700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882 + ... + 179270.

It is an arithmetic number, because the mean of its divisors is an integer number (2342900175).

Almost surely, 2^16064804564 is an apocalyptic number.

It is an amenable number.

16064804564 is a deficient number, since it is larger than the sum of its proper divisors (12049997536).

16064804564 is a wasteful number, since it uses less digits than its factorization.

16064804564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199162 (or 199160 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 16064804564 in words is "sixteen billion, sixty-four million, eight hundred four thousand, five hundred sixty-four".