512161716 has 48 divisors (see below), whose sum is σ = 1305077760. Its totient is φ = 155034720.

The previous prime is 512161711. The next prime is 512161753. The reversal of 512161716 is 617161215.

It is a super-3 number, since 3×512161716³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512161711) 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, 187005 + ... + 189723.

It is an arithmetic number, because the mean of its divisors is an integer number (27189120).

Almost surely, 2^512161716 is an apocalyptic number.

It is an amenable number.

512161716 is an abundant number, since it is smaller than the sum of its proper divisors (792916044).

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

512161716 is a wasteful number, since it uses less digits than its factorization.

512161716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164 (or 4162 counting only the distinct ones).

The product of its digits is 2520, while the sum is 30.

The square root of 512161716 is about 22630.9901683510. The cubic root of 512161716 is about 800.0842182171.

The spelling of 512161716 in words is "five hundred twelve million, one hundred sixty-one thousand, seven hundred sixteen".