616521082 has 16 divisors (see below), whose sum is σ = 1030717440. Its totient is φ = 274857408.

The previous prime is 616521079. The next prime is 616521089. The reversal of 616521082 is 280125616.

It is not an unprimeable number, because it can be changed into a prime (616521089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 476538 + ... + 477829.

It is an arithmetic number, because the mean of its divisors is an integer number (64419840).

Almost surely, 2^616521082 is an apocalyptic number.

616521082 is a deficient number, since it is larger than the sum of its proper divisors (414196358).

616521082 is a wasteful number, since it uses less digits than its factorization.

616521082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954405.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 616521082 is about 24829.8425689733. The cubic root of 616521082 is about 851.1040242386.

Adding to 616521082 its reverse (280125616), we get a palindrome (896646698).

The spelling of 616521082 in words is "six hundred sixteen million, five hundred twenty-one thousand, eighty-two".