516171011 has 4 divisors (see below), whose sum is σ = 528175032. Its totient is φ = 504166992.

The previous prime is 516170951. The next prime is 516171013. The reversal of 516171011 is 110171615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110171615 = 5 ⋅22034323.

It is a cyclic number.

It is not a de Polignac number, because 516171011 - 2⁶ = 516170947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516171013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6001946 + ... + 6002031.

It is an arithmetic number, because the mean of its divisors is an integer number (132043758).

Almost surely, 2^516171011 is an apocalyptic number.

516171011 is a deficient number, since it is larger than the sum of its proper divisors (12004021).

516171011 is a wasteful number, since it uses less digits than its factorization.

516171011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12004020.

The product of its (nonzero) digits is 210, while the sum is 23.

The square root of 516171011 is about 22719.3972411242. The cubic root of 516171011 is about 802.1665289563.

The spelling of 516171011 in words is "five hundred sixteen million, one hundred seventy-one thousand, eleven".