516561161051 has 16 divisors (see below), whose sum is σ = 599193450240. Its totient is φ = 441224249760.

The previous prime is 516561161027. The next prime is 516561161063. The reversal of 516561161051 is 150161165615.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516561161051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 516561160996 and 516561161014.

It is not an unprimeable number, because it can be changed into a prime (516561161351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24307295 + ... + 24328536.

It is an arithmetic number, because the mean of its divisors is an integer number (37449590640).

Almost surely, 2^516561161051 is an apocalyptic number.

516561161051 is a deficient number, since it is larger than the sum of its proper divisors (82632289189).

516561161051 is a wasteful number, since it uses less digits than its factorization.

516561161051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48635906.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 516561161051 in words is "five hundred sixteen billion, five hundred sixty-one million, one hundred sixty-one thousand, fifty-one".