616055005 has 4 divisors (see below), whose sum is σ = 739266012. Its totient is φ = 492844000.

The previous prime is 616055003. The next prime is 616055009. The reversal of 616055005 is 500550616.

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 294534244 + 321520761 = 17162^2 + 17931^2 .

It is not a de Polignac number, because 616055005 - 2¹ = 616055003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616055003) 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 3 ways as a sum of consecutive naturals, for example, 61605496 + ... + 61605505.

It is an arithmetic number, because the mean of its divisors is an integer number (184816503).

Almost surely, 2^616055005 is an apocalyptic number.

It is an amenable number.

616055005 is a deficient number, since it is larger than the sum of its proper divisors (123211007).

616055005 is a wasteful number, since it uses less digits than its factorization.

616055005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123211006.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 616055005 is about 24820.4553745494. The cubic root of 616055005 is about 850.8894979098.

The spelling of 616055005 in words is "six hundred sixteen million, fifty-five thousand, five".