66310487532 has 36 divisors (see below), whose sum is σ = 167636030016. Its totient is φ = 22101141600.

The previous prime is 66310487531. The next prime is 66310487549. The reversal of 66310487532 is 23578401366.

66310487532 is a `hidden beast` number, since 6 + 6 + 3 + 104 + 8 + 7 + 532 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (66310487531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262782 + ... + 449082.

Almost surely, 2^66310487532 is an apocalyptic number.

It is an amenable number.

66310487532 is an abundant number, since it is smaller than the sum of its proper divisors (101325542484).

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

66310487532 is a wasteful number, since it uses less digits than its factorization.

66310487532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196198 (or 196193 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

Adding to 66310487532 its reverse (23578401366), we get a palindrome (89888888898).

The spelling of 66310487532 in words is "sixty-six billion, three hundred ten million, four hundred eighty-seven thousand, five hundred thirty-two".