16672169551169 has 32 divisors (see below), whose sum is σ = 19017309358080. Its totient is φ = 14481025473600.

The previous prime is 16672169551139. The next prime is 16672169551187. The reversal of 16672169551169 is 96115596127661.

It is a cyclic number.

It is not a de Polignac number, because 16672169551169 - 2¹² = 16672169547073 is a prime.

It is a super-2 number, since 2×16672169551169² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16672169551139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40053287 + ... + 40467395.

It is an arithmetic number, because the mean of its divisors is an integer number (594290917440).

Almost surely, 2^{16672169551169} is an apocalyptic number.

It is an amenable number.

16672169551169 is a deficient number, since it is larger than the sum of its proper divisors (2345139806911).

16672169551169 is a wasteful number, since it uses less digits than its factorization.

16672169551169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416021.

The product of its digits is 36741600, while the sum is 65.

The spelling of 16672169551169 in words is "sixteen trillion, six hundred seventy-two billion, one hundred sixty-nine million, five hundred fifty-one thousand, one hundred sixty-nine".