4472161056 has 72 divisors (see below), whose sum is σ = 13873873104. Its totient is φ = 1355199360.

The previous prime is 4472161037. The next prime is 4472161063. The reversal of 4472161056 is 6501612744.

4472161056 is a `hidden beast` number, since 447 + 2 + 161 + 0 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4472161056.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 702666 + ... + 709001.

It is an arithmetic number, because the mean of its divisors is an integer number (192692682).

Almost surely, 2^4472161056 is an apocalyptic number.

It is an amenable number.

4472161056 is an abundant number, since it is smaller than the sum of its proper divisors (9401712048).

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

4472161056 is a wasteful number, since it uses less digits than its factorization.

4472161056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411694 (or 1411683 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4472161056 is about 66874.2181711308. The cubic root of 4472161056 is about 1647.5520548655.

The spelling of 4472161056 in words is "four billion, four hundred seventy-two million, one hundred sixty-one thousand, fifty-six".