16650216136 has 32 divisors (see below), whose sum is σ = 32376396600. Its totient is φ = 8017945600.

The previous prime is 16650216119. The next prime is 16650216137. The reversal of 16650216136 is 63161205661.

It can be written as a sum of positive squares in 4 ways, for example, as 15598511236 + 1051704900 = 124894^2 + 32430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16650216095 and 16650216104.

It is not an unprimeable number, because it can be changed into a prime (16650216137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3546 + ... + 182518.

Almost surely, 2^16650216136 is an apocalyptic number.

It is an amenable number.

16650216136 is a deficient number, since it is larger than the sum of its proper divisors (15726180464).

16650216136 is a wasteful number, since it uses less digits than its factorization.

16650216136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179409 (or 179405 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 16650216136 in words is "sixteen billion, six hundred fifty million, two hundred sixteen thousand, one hundred thirty-six".