516657334773245 has 16 divisors (see below), whose sum is σ = 652720613912640. Its totient is φ = 391511381203584.

The previous prime is 516657334773163. The next prime is 516657334773323. The reversal of 516657334773245 is 542377433756615.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516657334773245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419476079 + ... + 420705948.

It is an arithmetic number, because the mean of its divisors is an integer number (40795038369540).

Almost surely, 2^{516657334773245} is an apocalyptic number.

It is an amenable number.

516657334773245 is a deficient number, since it is larger than the sum of its proper divisors (136063279139395).

516657334773245 is a wasteful number, since it uses less digits than its factorization.

516657334773245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840188524.

The product of its digits is 1333584000, while the sum is 68.

The spelling of 516657334773245 in words is "five hundred sixteen trillion, six hundred fifty-seven billion, three hundred thirty-four million, seven hundred seventy-three thousand, two hundred forty-five".