521463114660 has 24 divisors (see below), whose sum is σ = 1460096721216. Its totient is φ = 139056830560.

The previous prime is 521463114647. The next prime is 521463114709. The reversal of 521463114660 is 66411364125.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4345525896 + ... + 4345526015.

It is an arithmetic number, because the mean of its divisors is an integer number (60837363384).

Almost surely, 2^521463114660 is an apocalyptic number.

It is an amenable number.

521463114660 is an abundant number, since it is smaller than the sum of its proper divisors (938633606556).

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

521463114660 is a wasteful number, since it uses less digits than its factorization.

521463114660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691051923 (or 8691051921 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 521463114660 its reverse (66411364125), we get a palindrome (587874478785).

The spelling of 521463114660 in words is "five hundred twenty-one billion, four hundred sixty-three million, one hundred fourteen thousand, six hundred sixty".