616516 has 12 divisors (see below), whose sum is σ = 1093120. Its totient is φ = 304200.

The previous prime is 616513. The next prime is 616519. The reversal of 616516 is 615616.

It is an interprime number because it is at equal distance from previous prime (616513) and next prime (616519).

It is not an unprimeable number, because it can be changed into a prime (616513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660 + ... + 1291.

2⁶¹⁶⁵¹⁶ is an apocalyptic number.

It is an amenable number.

616516 is a deficient number, since it is larger than the sum of its proper divisors (476604).

616516 is a wasteful number, since it uses less digits than its factorization.

616516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034 (or 2032 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 616516 is about 785.1853284416. The cubic root of 616516 is about 85.1101685674.

Subtracting from 616516 its reverse (615616), we obtain a square (900 = 30²).

The spelling of 616516 in words is "six hundred sixteen thousand, five hundred sixteen".