16508012036 has 6 divisors (see below), whose sum is σ = 28889021070. Its totient is φ = 8254006016.

The previous prime is 16508012011. The next prime is 16508012047. The reversal of 16508012036 is 63021080561.

It is a happy number.

16508012036 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., 16436778436 + 71233600 = 128206^2 + 8440^2 .

It is a super-2 number, since 2×16508012036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16508011993 and 16508012011.

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, 2063501501 + ... + 2063501508.

It is an arithmetic number, because the mean of its divisors is an integer number (4814836845).

Almost surely, 2^16508012036 is an apocalyptic number.

It is an amenable number.

16508012036 is a deficient number, since it is larger than the sum of its proper divisors (12381009034).

16508012036 is a wasteful number, since it uses less digits than its factorization.

16508012036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127003013 (or 4127003011 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 16508012036 its reverse (63021080561), we get a palindrome (79529092597).

The spelling of 16508012036 in words is "sixteen billion, five hundred eight million, twelve thousand, thirty-six".