2116516 has 6 divisors (see below), whose sum is σ = 3703910. Its totient is φ = 1058256.

The previous prime is 2116501. The next prime is 2116519. The reversal of 2116516 is 6156112.

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 25600 = 1446^2 + 160^2 .

It is not an unprimeable number, because it can be changed into a prime (2116519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264561 + ... + 264568.

2^2116516 is an apocalyptic number.

It is an amenable number.

2116516 is a deficient number, since it is larger than the sum of its proper divisors (1587394).

2116516 is a wasteful number, since it uses less digits than its factorization.

2116516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529133 (or 529131 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 2116516 is about 1454.8250753957. The cubic root of 2116516 is about 128.3927552257.

The spelling of 2116516 in words is "two million, one hundred sixteen thousand, five hundred sixteen".