66410532 has 18 divisors (see below), whose sum is σ = 167871158. Its totient is φ = 22136832.

The previous prime is 66410521. The next prime is 66410543. The reversal of 66410532 is 23501466.

66410532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66410521) and next prime (66410543).

It can be written as a sum of positive squares in only one way, i.e., 62631396 + 3779136 = 7914^2 + 1944^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 66410496 and 66410505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 922333 + ... + 922404.

Almost surely, 2^66410532 is an apocalyptic number.

It is an amenable number.

66410532 is an abundant number, since it is smaller than the sum of its proper divisors (101460626).

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

66410532 is a wasteful number, since it uses less digits than its factorization.

66410532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844747 (or 1844742 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 66410532 is about 8149.2657337947. The cubic root of 66410532 is about 404.9601789837.

Adding to 66410532 its reverse (23501466), we get a palindrome (89911998).

The spelling of 66410532 in words is "sixty-six million, four hundred ten thousand, five hundred thirty-two".