16366096121 has 4 divisors (see below), whose sum is σ = 16366958244. Its totient is φ = 16365234000.

The previous prime is 16366096091. The next prime is 16366096127. The reversal of 16366096121 is 12169066361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15988338025 + 377758096 = 126445^2 + 19436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16366096121 is a prime.

It is a super-3 number, since 3×16366096121³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16366096127) 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, 401930 + ... + 440771.

It is an arithmetic number, because the mean of its divisors is an integer number (4091739561).

Almost surely, 2^16366096121 is an apocalyptic number.

It is an amenable number.

16366096121 is a deficient number, since it is larger than the sum of its proper divisors (862123).

16366096121 is an equidigital number, since it uses as much as digits as its factorization.

16366096121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862122.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 16366096121 in words is "sixteen billion, three hundred sixty-six million, ninety-six thousand, one hundred twenty-one".