66552142132 has 24 divisors (see below), whose sum is σ = 133685538560. Its totient is φ = 28397792160.

The previous prime is 66552142109. The next prime is 66552142187. The reversal of 66552142132 is 23124125566.

It is a junction number, because it is equal to n+sod(n) for n = 66552142091 and 66552142100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5183244 + ... + 5196067.

Almost surely, 2^66552142132 is an apocalyptic number.

It is an amenable number.

66552142132 is an abundant number, since it is smaller than the sum of its proper divisors (67133396428).

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

66552142132 is a wasteful number, since it uses less digits than its factorization.

66552142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10379551 (or 10379549 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

Adding to 66552142132 its reverse (23124125566), we get a palindrome (89676267698).

The spelling of 66552142132 in words is "sixty-six billion, five hundred fifty-two million, one hundred forty-two thousand, one hundred thirty-two".