6444261162 has 24 divisors (see below), whose sum is σ = 14783893956. Its totient is φ = 2021728896.

The previous prime is 6444261119. The next prime is 6444261199. The reversal of 6444261162 is 2611624446.

6444261162 is a `hidden beast` number, since 644 + 4 + 2 + 6 + 1 + 1 + 6 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6015398481 + 428862681 = 77559^2 + 20709^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10529533 + ... + 10530144.

Almost surely, 2^6444261162 is an apocalyptic number.

6444261162 is an abundant number, since it is smaller than the sum of its proper divisors (8339632794).

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

6444261162 is a wasteful number, since it uses less digits than its factorization.

6444261162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21059702 (or 21059699 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 6444261162 is about 80276.1556254409. The cubic root of 6444261162 is about 1860.9057485965.

The spelling of 6444261162 in words is "six billion, four hundred forty-four million, two hundred sixty-one thousand, one hundred sixty-two".