512226116664 has 32 divisors (see below), whose sum is σ = 1289778000000. Its totient is φ = 169513677792.

The previous prime is 512226116659. The next prime is 512226116723. The reversal of 512226116664 is 466611622215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76769164 + ... + 76775835.

It is an arithmetic number, because the mean of its divisors is an integer number (40305562500).

Almost surely, 2^512226116664 is an apocalyptic number.

It is an amenable number.

512226116664 is an abundant number, since it is smaller than the sum of its proper divisors (777551883336).

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

512226116664 is a wasteful number, since it uses less digits than its factorization.

512226116664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153545147 (or 153545143 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

Adding to 512226116664 its reverse (466611622215), we get a palindrome (978837738879).

The spelling of 512226116664 in words is "five hundred twelve billion, two hundred twenty-six million, one hundred sixteen thousand, six hundred sixty-four".