16516106504 has 8 divisors (see below), whose sum is σ = 30967699710. Its totient is φ = 8258053248.

The previous prime is 16516106479. The next prime is 16516106527. The reversal of 16516106504 is 40560161561.

16516106504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14908898404 + 1607208100 = 122102^2 + 40090^2 .

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

It is a super-2 number, since 2×16516106504² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032256649 + ... + 1032256664.

Almost surely, 2^16516106504 is an apocalyptic number.

It is an amenable number.

16516106504 is a deficient number, since it is larger than the sum of its proper divisors (14451593206).

16516106504 is a wasteful number, since it uses less digits than its factorization.

16516106504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064513319 (or 2064513315 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 16516106504 in words is "sixteen billion, five hundred sixteen million, one hundred six thousand, five hundred four".