516356664161 has 32 divisors (see below), whose sum is σ = 567444931200. Its totient is φ = 466977291264.

The previous prime is 516356664143. The next prime is 516356664179. The reversal of 516356664161 is 161466653615.

It is an interprime number because it is at equal distance from previous prime (516356664143) and next prime (516356664179).

It is a cyclic number.

It is not a de Polignac number, because 516356664161 - 2¹⁴ = 516356647777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (516356664121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131620946 + ... + 131624868.

It is an arithmetic number, because the mean of its divisors is an integer number (17732654100).

Almost surely, 2^516356664161 is an apocalyptic number.

It is an amenable number.

516356664161 is a deficient number, since it is larger than the sum of its proper divisors (51088267039).

516356664161 is a wasteful number, since it uses less digits than its factorization.

516356664161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785.

The product of its digits is 2332800, while the sum is 50.

The spelling of 516356664161 in words is "five hundred sixteen billion, three hundred fifty-six million, six hundred sixty-four thousand, one hundred sixty-one".