516707172 has 36 divisors (see below), whose sum is σ = 1307380620. Its totient is φ = 172069632.

The previous prime is 516707171. The next prime is 516707179. The reversal of 516707172 is 271707615.

516707172 is a `hidden beast` number, since 516 + 7 + 0 + 71 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 275029056 + 241678116 = 16584^2 + 15546^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (516707171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34288 + ... + 47000.

Almost surely, 2^516707172 is an apocalyptic number.

It is an amenable number.

516707172 is an abundant number, since it is smaller than the sum of its proper divisors (790673448).

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

516707172 is a wasteful number, since it uses less digits than its factorization.

516707172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13852 (or 13847 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The square root of 516707172 is about 22731.1938093889. The cubic root of 516707172 is about 802.4441769770. Note that the first 3 decimals are identical.

The spelling of 516707172 in words is "five hundred sixteen million, seven hundred seven thousand, one hundred seventy-two".