513550060666 has 64 divisors (see below), whose sum is σ = 836473962240. Its totient is φ = 235580800000.

The previous prime is 513550060637. The next prime is 513550060669. The reversal of 513550060666 is 666060055315.

It is not an unprimeable number, because it can be changed into a prime (513550060669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317201205 + ... + 317202823.

It is an arithmetic number, because the mean of its divisors is an integer number (13069905660).

Almost surely, 2^513550060666 is an apocalyptic number.

513550060666 is a deficient number, since it is larger than the sum of its proper divisors (322923901574).

513550060666 is a wasteful number, since it uses less digits than its factorization.

513550060666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 513550060666 in words is "five hundred thirteen billion, five hundred fifty million, sixty thousand, six hundred sixty-six".