16166659272 has 16 divisors (see below), whose sum is σ = 40416648240. Its totient is φ = 5388886416.

The previous prime is 16166659237. The next prime is 16166659277. The reversal of 16166659272 is 27295666161.

16166659272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16166659272² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16166659277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336805378 + ... + 336805425.

It is an arithmetic number, because the mean of its divisors is an integer number (2526040515).

Almost surely, 2^16166659272 is an apocalyptic number.

16166659272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16166659272 is an abundant number, since it is smaller than the sum of its proper divisors (24249988968).

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

16166659272 is a wasteful number, since it uses less digits than its factorization.

16166659272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673610812 (or 673610808 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 51.

The spelling of 16166659272 in words is "sixteen billion, one hundred sixty-six million, six hundred fifty-nine thousand, two hundred seventy-two".