16169599272 has 16 divisors (see below), whose sum is σ = 40423998240. Its totient is φ = 5389866416.

The previous prime is 16169599261. The next prime is 16169599273. The reversal of 16169599272 is 27299596161.

It is a super-2 number, since 2×16169599272² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16169599273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336866628 + ... + 336866675.

It is an arithmetic number, because the mean of its divisors is an integer number (2526499890).

Almost surely, 2^16169599272 is an apocalyptic number.

16169599272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16169599272 is an abundant number, since it is smaller than the sum of its proper divisors (24254398968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16169599272 is a wasteful number, since it uses less digits than its factorization.

16169599272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673733312 (or 673733308 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 57.

The spelling of 16169599272 in words is "sixteen billion, one hundred sixty-nine million, five hundred ninety-nine thousand, two hundred seventy-two".