516166556101 has 6 divisors (see below), whose sum is σ = 600438646950. Its totient is φ = 442428476616.

The previous prime is 516166556063. The next prime is 516166556281. The reversal of 516166556101 is 101655661615.

It can be written as a sum of positive squares in only one way, i.e., 483504669025 + 32661887076 = 695345^2 + 180726^2 .

It is not a de Polignac number, because 516166556101 - 2⁹ = 516166555589 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 (516166550101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5267005626 + ... + 5267005723.

It is an arithmetic number, because the mean of its divisors is an integer number (100073107825).

Almost surely, 2^516166556101 is an apocalyptic number.

It is an amenable number.

516166556101 is a deficient number, since it is larger than the sum of its proper divisors (84272090849).

516166556101 is a wasteful number, since it uses less digits than its factorization.

516166556101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10534011363 (or 10534011356 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 516166556101 in words is "five hundred sixteen billion, one hundred sixty-six million, five hundred fifty-six thousand, one hundred one".