16136420111 has 32 divisors (see below), whose sum is σ = 21217259520. Its totient is φ = 11934604800.

The previous prime is 16136420087. The next prime is 16136420141. The reversal of 16136420111 is 11102463161.

It is a cyclic number.

It is not a de Polignac number, because 16136420111 - 2¹⁰ = 16136419087 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 (16136420141) 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 31 ways as a sum of consecutive naturals, for example, 45020 + ... + 185201.

It is an arithmetic number, because the mean of its divisors is an integer number (663039360).

Almost surely, 2^16136420111 is an apocalyptic number.

16136420111 is a deficient number, since it is larger than the sum of its proper divisors (5080839409).

16136420111 is a wasteful number, since it uses less digits than its factorization.

16136420111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230295.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 16136420111 its reverse (11102463161), we get a palindrome (27238883272).

The spelling of 16136420111 in words is "sixteen billion, one hundred thirty-six million, four hundred twenty thousand, one hundred eleven".