16500000101 has 8 divisors (see below), whose sum is σ = 17770249560. Its totient is φ = 15229896192.

The previous prime is 16500000071. The next prime is 16500000103. The reversal of 16500000101 is 10100000561.

It can be written as a sum of positive squares in 4 ways, for example, as 16008001 + 16483992100 = 4001^2 + 128390^2 .

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 16500000101 - 2³⁰ = 15426258277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500000103) by changing a digit.

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, 355241 + ... + 398993.

It is an arithmetic number, because the mean of its divisors is an integer number (2221281195).

Almost surely, 2^16500000101 is an apocalyptic number.

It is an amenable number.

16500000101 is a deficient number, since it is larger than the sum of its proper divisors (1270249459).

16500000101 is a wasteful number, since it uses less digits than its factorization.

16500000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72775.

The product of its (nonzero) digits is 30, while the sum is 14.

Adding to 16500000101 its reverse (10100000561), we get a palindrome (26600000662).

The spelling of 16500000101 in words is "sixteen billion, five hundred million, one hundred one", and thus it is an aban number.