516105606061 has 4 divisors (see below), whose sum is σ = 516107734492. Its totient is φ = 516103477632.

The previous prime is 516105606041. The next prime is 516105606097. The reversal of 516105606061 is 160606501615.

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 495906090436 + 20199515625 = 704206^2 + 142125^2 .

It is a cyclic number.

It is not a de Polignac number, because 516105606061 - 2¹⁹ = 516105081773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516105606061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516105606001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645606 + ... + 1203751.

It is an arithmetic number, because the mean of its divisors is an integer number (129026933623).

Almost surely, 2^516105606061 is an apocalyptic number.

It is an amenable number.

516105606061 is a deficient number, since it is larger than the sum of its proper divisors (2128431).

516105606061 is a wasteful number, since it uses less digits than its factorization.

516105606061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128430.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 516105606061 in words is "five hundred sixteen billion, one hundred five million, six hundred six thousand, sixty-one".