16500555166 has 8 divisors (see below), whose sum is σ = 25826955984. Its totient is φ = 7891569840.

The previous prime is 16500555161. The next prime is 16500555167. The reversal of 16500555166 is 66155500561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500555161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179353815 + ... + 179353906.

It is an arithmetic number, because the mean of its divisors is an integer number (3228369498).

Almost surely, 2^16500555166 is an apocalyptic number.

16500555166 is a deficient number, since it is larger than the sum of its proper divisors (9326400818).

16500555166 is a wasteful number, since it uses less digits than its factorization.

16500555166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358707746.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 16500555166 in words is "sixteen billion, five hundred million, five hundred fifty-five thousand, one hundred sixty-six".