516081172 has 24 divisors (see below), whose sum is σ = 959613480. Its totient is φ = 242852480.

The previous prime is 516081169. The next prime is 516081259. The reversal of 516081172 is 271180615.

It can be written as a sum of positive squares in 4 ways, for example, as 4145296 + 511935876 = 2036^2 + 22626^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6522 + ... + 32782.

It is an arithmetic number, because the mean of its divisors is an integer number (39983895).

Almost surely, 2^516081172 is an apocalyptic number.

It is an amenable number.

516081172 is a deficient number, since it is larger than the sum of its proper divisors (443532308).

516081172 is a wasteful number, since it uses less digits than its factorization.

516081172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26316 (or 26280 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 516081172 is about 22717.4200119644. The cubic root of 516081172 is about 802.1199875203.

The spelling of 516081172 in words is "five hundred sixteen million, eighty-one thousand, one hundred seventy-two".