616604516 has 72 divisors (see below), whose sum is σ = 1254204000. Its totient is φ = 262958080.

The previous prime is 616604489. The next prime is 616604533. The reversal of 616604516 is 615406616.

It is a super-2 number, since 2×616604516² = 760402258303188512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1373060 + ... + 1373508.

It is an arithmetic number, because the mean of its divisors is an integer number (17419500).

Almost surely, 2^616604516 is an apocalyptic number.

It is an amenable number.

616604516 is an abundant number, since it is smaller than the sum of its proper divisors (637599484).

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

616604516 is a wasteful number, since it uses less digits than its factorization.

616604516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 616604516 is about 24831.5226274991. The cubic root of 616604516 is about 851.1424159022.

The spelling of 616604516 in words is "six hundred sixteen million, six hundred four thousand, five hundred sixteen".