16500165052 has 24 divisors (see below), whose sum is σ = 33003213824. Its totient is φ = 7070881392.

The previous prime is 16500165029. The next prime is 16500165053. The reversal of 16500165052 is 25056100561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500165053) 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, 463513 + ... + 497839.

Almost surely, 2^16500165052 is an apocalyptic number.

It is an amenable number.

16500165052 is an abundant number, since it is smaller than the sum of its proper divisors (16503048772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16500165052 is a wasteful number, since it uses less digits than its factorization.

16500165052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51505 (or 51503 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 16500165052 in words is "sixteen billion, five hundred million, one hundred sixty-five thousand, fifty-two".