2663172416 has 28 divisors (see below), whose sum is σ = 5297705940. Its totient is φ = 1328317440.

The previous prime is 2663172409. The next prime is 2663172419. The reversal of 2663172416 is 6142713662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 991998016 + 1671174400 = 31496^2 + 40880^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2663172416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663172419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24695 + ... + 77046.

Almost surely, 2^2663172416 is an apocalyptic number.

It is an amenable number.

2663172416 is a deficient number, since it is larger than the sum of its proper divisors (2634533524).

2663172416 is a wasteful number, since it uses less digits than its factorization.

2663172416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102162 (or 102152 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 2663172416 is about 51605.9339223698. The cubic root of 2663172416 is about 1386.1165894287.

The spelling of 2663172416 in words is "two billion, six hundred sixty-three million, one hundred seventy-two thousand, four hundred sixteen".