16524016121 has 16 divisors (see below), whose sum is σ = 17523609600. Its totient is φ = 15537838608.

The previous prime is 16524016079. The next prime is 16524016127. The reversal of 16524016121 is 12161042561.

It is a cyclic number.

It is not a de Polignac number, because 16524016121 - 2¹⁸ = 16523753977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16524016127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1464620 + ... + 1475858.

It is an arithmetic number, because the mean of its divisors is an integer number (1095225600).

Almost surely, 2^16524016121 is an apocalyptic number.

It is an amenable number.

16524016121 is a deficient number, since it is larger than the sum of its proper divisors (999593479).

16524016121 is a wasteful number, since it uses less digits than its factorization.

16524016121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11828.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 16524016121 its reverse (12161042561), we get a palindrome (28685058682).

The spelling of 16524016121 in words is "sixteen billion, five hundred twenty-four million, sixteen thousand, one hundred twenty-one".