520342737522366 has 256 divisors, whose sum is σ = 1178171495424000. Its totient is φ = 151866362419200.

The previous prime is 520342737522359. The next prime is 520342737522427. The reversal of 520342737522366 is 663225737243025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22553962611 + ... + 22553985681.

It is an arithmetic number, because the mean of its divisors is an integer number (4602232404000).

Almost surely, 2^{520342737522366} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520342737522366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589085747712000).

520342737522366 is an abundant number, since it is smaller than the sum of its proper divisors (657828757901634).

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

520342737522366 is a wasteful number, since it uses less digits than its factorization.

520342737522366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23795.

The product of its (nonzero) digits is 76204800, while the sum is 57.

The spelling of 520342737522366 in words is "five hundred twenty trillion, three hundred forty-two billion, seven hundred thirty-seven million, five hundred twenty-two thousand, three hundred sixty-six".