616116515 has 32 divisors (see below), whose sum is σ = 894136320. Its totient is φ = 398127744.

The previous prime is 616116509. The next prime is 616116517. The reversal of 616116515 is 515611616.

It is not a de Polignac number, because 616116515 - 2⁶ = 616116451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616116517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128654 + ... + 133356.

It is an arithmetic number, because the mean of its divisors is an integer number (27941760).

Almost surely, 2^616116515 is an apocalyptic number.

616116515 is a deficient number, since it is larger than the sum of its proper divisors (278019805).

616116515 is a wasteful number, since it uses less digits than its factorization.

616116515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931.

The product of its digits is 5400, while the sum is 32.

The square root of 616116515 is about 24821.6944425637. The cubic root of 616116515 is about 850.9178159825.

The spelling of 616116515 in words is "six hundred sixteen million, one hundred sixteen thousand, five hundred fifteen".