512642152066 has 32 divisors (see below), whose sum is σ = 852827201280. Its totient is φ = 229143724800.

The previous prime is 512642152051. The next prime is 512642152079. The reversal of 512642152066 is 660251246215.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5776215 + ... + 5864293.

It is an arithmetic number, because the mean of its divisors is an integer number (26650850040).

Almost surely, 2^512642152066 is an apocalyptic number.

512642152066 is a deficient number, since it is larger than the sum of its proper divisors (340185049214).

512642152066 is a wasteful number, since it uses less digits than its factorization.

512642152066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92490.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 512642152066 in words is "five hundred twelve billion, six hundred forty-two million, one hundred fifty-two thousand, sixty-six".