16500032665 has 8 divisors (see below), whose sum is σ = 19801529280. Its totient is φ = 13199032752.

The previous prime is 16500032657. The next prime is 16500032671. The reversal of 16500032665 is 56623000561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16500032665 - 2³ = 16500032657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16500032665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46695 + ... + 187564.

It is an arithmetic number, because the mean of its divisors is an integer number (2475191160).

Almost surely, 2^16500032665 is an apocalyptic number.

It is an amenable number.

16500032665 is a deficient number, since it is larger than the sum of its proper divisors (3301496615).

16500032665 is a wasteful number, since it uses less digits than its factorization.

16500032665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248351.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 16500032665 in words is "sixteen billion, five hundred million, thirty-two thousand, six hundred sixty-five".