4164556689272 has 16 divisors (see below), whose sum is σ = 8924050048560. Its totient is φ = 1784810009664.

The previous prime is 4164556689269. The next prime is 4164556689313. The reversal of 4164556689272 is 2729866554614.

It is a junction number, because it is equal to n+sod(n) for n = 4164556689199 and 4164556689208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37183541813 + ... + 37183541924.

It is an arithmetic number, because the mean of its divisors is an integer number (557753128035).

Almost surely, 2^{4164556689272} is an apocalyptic number.

It is an amenable number.

4164556689272 is an abundant number, since it is smaller than the sum of its proper divisors (4759493359288).

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

4164556689272 is a wasteful number, since it uses less digits than its factorization.

4164556689272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74367083750 (or 74367083746 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 65.

The spelling of 4164556689272 in words is "four trillion, one hundred sixty-four billion, five hundred fifty-six million, six hundred eighty-nine thousand, two hundred seventy-two".