16534612004 has 6 divisors (see below), whose sum is σ = 28935571014. Its totient is φ = 8267306000.

The previous prime is 16534612001. The next prime is 16534612009. The reversal of 16534612004 is 40021643561.

It can be written as a sum of positive squares in only one way, i.e., 15227066404 + 1307545600 = 123398^2 + 36160^2 .

It is not an unprimeable number, because it can be changed into a prime (16534612001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2066826497 + ... + 2066826504.

It is an arithmetic number, because the mean of its divisors is an integer number (4822595169).

Almost surely, 2^16534612004 is an apocalyptic number.

It is an amenable number.

16534612004 is a deficient number, since it is larger than the sum of its proper divisors (12400959010).

16534612004 is a wasteful number, since it uses less digits than its factorization.

16534612004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133653005 (or 4133653003 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 16534612004 in words is "sixteen billion, five hundred thirty-four million, six hundred twelve thousand, four".