520032134661 has 16 divisors (see below), whose sum is σ = 746727288384. Its totient is φ = 320013569664.

The previous prime is 520032134651. The next prime is 520032134701. The reversal of 520032134661 is 166431230025.

It is not a de Polignac number, because 520032134661 - 2⁶ = 520032134597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520032134651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681025 + ... + 2868441.

It is an arithmetic number, because the mean of its divisors is an integer number (46670455524).

Almost surely, 2^520032134661 is an apocalyptic number.

It is an amenable number.

520032134661 is a deficient number, since it is larger than the sum of its proper divisors (226695153723).

520032134661 is a wasteful number, since it uses less digits than its factorization.

520032134661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258580.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 520032134661 its reverse (166431230025), we get a palindrome (686463364686).

The spelling of 520032134661 in words is "five hundred twenty billion, thirty-two million, one hundred thirty-four thousand, six hundred sixty-one".