2163516 has 24 divisors (see below), whose sum is σ = 5223120. Its totient is φ = 696192.

The previous prime is 2163509. The next prime is 2163527. The reversal of 2163516 is 6153612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (217630).

2^2163516 is an apocalyptic number.

It is an amenable number.

2163516 is an abundant number, since it is smaller than the sum of its proper divisors (3059604).

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

2163516 is a wasteful number, since it uses less digits than its factorization.

2163516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253 (or 6251 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2163516 is about 1470.8895267830. The cubic root of 2163516 is about 129.3361821977.

The spelling of 2163516 in words is "two million, one hundred sixty-three thousand, five hundred sixteen".