2660453216 has 24 divisors (see below), whose sum is σ = 5545872360. Its totient is φ = 1251977728.

The previous prime is 2660453197. The next prime is 2660453227. The reversal of 2660453216 is 6123540662.

It is a happy number.

It is a super-2 number, since 2×2660453216² = 14156022629049485312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444726 + ... + 2445813.

It is an arithmetic number, because the mean of its divisors is an integer number (231078015).

Almost surely, 2^2660453216 is an apocalyptic number.

It is an amenable number.

2660453216 is an abundant number, since it is smaller than the sum of its proper divisors (2885419144).

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

2660453216 is a wasteful number, since it uses less digits than its factorization.

2660453216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4890566 (or 4890558 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2660453216 is about 51579.5813864362. The cubic root of 2660453216 is about 1385.6446695806.

Adding to 2660453216 its reverse (6123540662), we get a palindrome (8783993878).

The spelling of 2660453216 in words is "two billion, six hundred sixty million, four hundred fifty-three thousand, two hundred sixteen".