16669628067369 has 32 divisors (see below), whose sum is σ = 23451933688960. Its totient is φ = 10503027648000.

The previous prime is 16669628067361. The next prime is 16669628067371. The reversal of 16669628067369 is 96376082696661.

It is not a de Polignac number, because 16669628067369 - 2³ = 16669628067361 is a prime.

It is a super-3 number, since 3×16669628067369³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16669628067369.

It is not an unprimeable number, because it can be changed into a prime (16669628067361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47132739 + ... + 47485095.

It is an arithmetic number, because the mean of its divisors is an integer number (732872927780).

Almost surely, 2^{16669628067369} is an apocalyptic number.

16669628067369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16669628067369 is a deficient number, since it is larger than the sum of its proper divisors (6782305621591).

16669628067369 is a wasteful number, since it uses less digits than its factorization.

16669628067369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354361.

The product of its (nonzero) digits is 1269789696, while the sum is 75.

The spelling of 16669628067369 in words is "sixteen trillion, six hundred sixty-nine billion, six hundred twenty-eight million, sixty-seven thousand, three hundred sixty-nine".