616534784516 has 12 divisors (see below), whose sum is σ = 1233069569088. Its totient is φ = 264229193352.

The previous prime is 616534784507. The next prime is 616534784587. The reversal of 616534784516 is 615487435616.

616534784516 is an admirable number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11009549696 + ... + 11009549751.

It is an arithmetic number, because the mean of its divisors is an integer number (102755797424).

Almost surely, 2^616534784516 is an apocalyptic number.

It is an amenable number.

616534784516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

616534784516 is a wasteful number, since it uses less digits than its factorization.

616534784516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22019099458 (or 22019099456 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 56.

The spelling of 616534784516 in words is "six hundred sixteen billion, five hundred thirty-four million, seven hundred eighty-four thousand, five hundred sixteen".