512016866 has 8 divisors (see below), whose sum is σ = 794509020. Its totient is φ = 247180528.

The previous prime is 512016847. The next prime is 512016913. The reversal of 512016866 is 668610215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 468073225 + 43943641 = 21635^2 + 6629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×512016866² = 524322542136923912, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 4413881 + ... + 4413996.

Almost surely, 2^512016866 is an apocalyptic number.

512016866 is a deficient number, since it is larger than the sum of its proper divisors (282492154).

512016866 is a wasteful number, since it uses less digits than its factorization.

512016866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8827908.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 512016866 is about 22627.7896843682. The cubic root of 512016866 is about 800.0087842785.

The spelling of 512016866 in words is "five hundred twelve million, sixteen thousand, eight hundred sixty-six".