616052959505 has 4 divisors (see below), whose sum is σ = 739263551412. Its totient is φ = 492842367600.

The previous prime is 616052959493. The next prime is 616052959513. The reversal of 616052959505 is 505959250616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 335315116096 + 280737843409 = 579064^2 + 529847^2 .

It is not a de Polignac number, because 616052959505 - 2¹² = 616052955409 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61605295946 + ... + 61605295955.

It is an arithmetic number, because the mean of its divisors is an integer number (184815887853).

Almost surely, 2^616052959505 is an apocalyptic number.

It is an amenable number.

616052959505 is a deficient number, since it is larger than the sum of its proper divisors (123210591907).

616052959505 is a wasteful number, since it uses less digits than its factorization.

616052959505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123210591906.

The product of its (nonzero) digits is 3645000, while the sum is 53.

The spelling of 616052959505 in words is "six hundred sixteen billion, fifty-two million, nine hundred fifty-nine thousand, five hundred five".