4447161886 has 16 divisors (see below), whose sum is σ = 7068228480. Its totient is φ = 2091274240.

The previous prime is 4447161877. The next prime is 4447161989. The reversal of 4447161886 is 6881617444.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1491 + ... + 94321.

It is an arithmetic number, because the mean of its divisors is an integer number (441764280).

Almost surely, 2^4447161886 is an apocalyptic number.

4447161886 is a deficient number, since it is larger than the sum of its proper divisors (2621066594).

4447161886 is a wasteful number, since it uses less digits than its factorization.

4447161886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94259.

The product of its digits is 1032192, while the sum is 49.

The square root of 4447161886 is about 66687.0443639542. The cubic root of 4447161886 is about 1644.4764039750.

The spelling of 4447161886 in words is "four billion, four hundred forty-seven million, one hundred sixty-one thousand, eight hundred eighty-six".