531516462664 has 32 divisors (see below), whose sum is σ = 1122263504640. Its totient is φ = 233804894400.

The previous prime is 531516462661. The next prime is 531516462677. The reversal of 531516462664 is 466264615135.

It is not an unprimeable number, because it can be changed into a prime (531516462661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97415979 + ... + 97421434.

It is an arithmetic number, because the mean of its divisors is an integer number (35070734520).

Almost surely, 2^531516462664 is an apocalyptic number.

It is an amenable number.

531516462664 is an abundant number, since it is smaller than the sum of its proper divisors (590747041976).

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

531516462664 is a wasteful number, since it uses less digits than its factorization.

531516462664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194837461 (or 194837457 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 531516462664 in words is "five hundred thirty-one billion, five hundred sixteen million, four hundred sixty-two thousand, six hundred sixty-four".