16506436101 has 16 divisors (see below), whose sum is σ = 22536376896. Its totient is φ = 10740756096.

The previous prime is 16506436081. The next prime is 16506436109. The reversal of 16506436101 is 10163460561.

It is not a de Polignac number, because 16506436101 - 2⁷ = 16506435973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506436109) 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 15 ways as a sum of consecutive naturals, for example, 140211 + ... + 229503.

It is an arithmetic number, because the mean of its divisors is an integer number (1408523556).

Almost surely, 2^16506436101 is an apocalyptic number.

It is an amenable number.

16506436101 is a deficient number, since it is larger than the sum of its proper divisors (6029940795).

16506436101 is a wasteful number, since it uses less digits than its factorization.

16506436101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90772.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 16506436101 its reverse (10163460561), we get a palindrome (26669896662).

The spelling of 16506436101 in words is "sixteen billion, five hundred six million, four hundred thirty-six thousand, one hundred one".