6488172144 has 40 divisors (see below), whose sum is σ = 18623458320. Its totient is φ = 2162723904.

The previous prime is 6488172139. The next prime is 6488172149. The reversal of 6488172144 is 4412718846.

It is an interprime number because it is at equal distance from previous prime (6488172139) and next prime (6488172149).

It is a self number, because there is not a number n which added to its sum of digits gives 6488172144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6488172149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7509027 + ... + 7509890.

It is an arithmetic number, because the mean of its divisors is an integer number (465586458).

Almost surely, 2^6488172144 is an apocalyptic number.

It is an amenable number.

6488172144 is an abundant number, since it is smaller than the sum of its proper divisors (12135286176).

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

6488172144 is a wasteful number, since it uses less digits than its factorization.

6488172144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15018934 (or 15018922 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 6488172144 is about 80549.1908339246. The cubic root of 6488172144 is about 1865.1229012391.

The spelling of 6488172144 in words is "six billion, four hundred eighty-eight million, one hundred seventy-two thousand, one hundred forty-four".