511330216 has 16 divisors (see below), whose sum is σ = 1015141140. Its totient is φ = 240625920.

The previous prime is 511330201. The next prime is 511330217. The reversal of 511330216 is 612033115.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 490445316 + 20884900 = 22146^2 + 4570^2 .

It is a super-2 number, since 2×511330216² = 522917179589213312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511330217) 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, 1879755 + ... + 1880026.

Almost surely, 2^511330216 is an apocalyptic number.

It is an amenable number.

511330216 is a deficient number, since it is larger than the sum of its proper divisors (503810924).

511330216 is a wasteful number, since it uses less digits than its factorization.

511330216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3759804 (or 3759800 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 511330216 is about 22612.6118792147. The cubic root of 511330216 is about 799.6510019392.

The spelling of 511330216 in words is "five hundred eleven million, three hundred thirty thousand, two hundred sixteen".