2663441172 has 72 divisors (see below), whose sum is σ = 7753217472. Its totient is φ = 755164800.

The previous prime is 2663441161. The next prime is 2663441173. The reversal of 2663441172 is 2711443662.

2663441172 is a `hidden beast` number, since 2 + 6 + 634 + 4 + 1 + 17 + 2 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663441173) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7329 + ... + 73352.

It is an arithmetic number, because the mean of its divisors is an integer number (107683576).

Almost surely, 2^2663441172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2663441172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3876608736).

2663441172 is an abundant number, since it is smaller than the sum of its proper divisors (5089776300).

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

2663441172 is a wasteful number, since it uses less digits than its factorization.

2663441172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80829 (or 80824 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2663441172 is about 51608.5377820376. The cubic root of 2663441172 is about 1386.1632148514.

The spelling of 2663441172 in words is "two billion, six hundred sixty-three million, four hundred forty-one thousand, one hundred seventy-two".