513051666151636 has 12 divisors (see below), whose sum is σ = 897840948426912. Its totient is φ = 256525680886808.

The previous prime is 513051666151597. The next prime is 513051666151741. The reversal of 513051666151636 is 636151666150315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30286270 + ... + 44083573.

It is an arithmetic number, because the mean of its divisors is an integer number (74820079035576).

Almost surely, 2^{513051666151636} is an apocalyptic number.

It is an amenable number.

513051666151636 is a deficient number, since it is larger than the sum of its proper divisors (384789282275276).

513051666151636 is a wasteful number, since it uses less digits than its factorization.

513051666151636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76094510 (or 76094508 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 55.

The spelling of 513051666151636 in words is "five hundred thirteen trillion, fifty-one billion, six hundred sixty-six million, one hundred fifty-one thousand, six hundred thirty-six".