516156161616 has 30 divisors (see below), whose sum is σ = 1444520369370. Its totient is φ = 172052053824.

The previous prime is 516156161597. The next prime is 516156161617. The reversal of 516156161616 is 616161651615.

516156161616 is a `hidden beast` number, since 5 + 1 + 6 + 1 + 5 + 616 + 16 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 379924304400 + 136231857216 = 616380^2 + 369096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516156161617) 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, 1792208751 + ... + 1792209038.

It is an arithmetic number, because the mean of its divisors is an integer number (48150678979).

Almost surely, 2^516156161616 is an apocalyptic number.

It is an amenable number.

516156161616 is an abundant number, since it is smaller than the sum of its proper divisors (928364207754).

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

516156161616 is a wasteful number, since it uses less digits than its factorization.

516156161616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584417803 (or 3584417794 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The spelling of 516156161616 in words is "five hundred sixteen billion, one hundred fifty-six million, one hundred sixty-one thousand, six hundred sixteen".