2143265216 has 28 divisors (see below), whose sum is σ = 4259991480. Its totient is φ = 1069881600.

The previous prime is 2143265209. The next prime is 2143265231. The reversal of 2143265216 is 6125623412.

It is a super-2 number, since 2×2143265216² = 9187171572231053312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12566 + ... + 66666.

Almost surely, 2^2143265216 is an apocalyptic number.

It is an amenable number.

2143265216 is a deficient number, since it is larger than the sum of its proper divisors (2116726264).

2143265216 is an equidigital number, since it uses as much as digits as its factorization.

2143265216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54732 (or 54722 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 2143265216 is about 46295.4124725118. The cubic root of 2143265216 is about 1289.3138221205.

Adding to 2143265216 its reverse (6125623412), we get a palindrome (8268888628).

The spelling of 2143265216 in words is "two billion, one hundred forty-three million, two hundred sixty-five thousand, two hundred sixteen".