66132530 has 8 divisors (see below), whose sum is σ = 119038572. Its totient is φ = 26453008.

The previous prime is 66132511. The next prime is 66132541. The reversal of 66132530 is 3523166.

66132530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 65918161 + 214369 = 8119^2 + 463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66132530.

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 3 ways as a sum of consecutive naturals, for example, 3306617 + ... + 3306636.

Almost surely, 2^66132530 is an apocalyptic number.

66132530 is a deficient number, since it is larger than the sum of its proper divisors (52906042).

66132530 is a wasteful number, since it uses less digits than its factorization.

66132530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613260.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 66132530 is about 8132.1909716878. The cubic root of 66132530 is about 404.3943189555.

Adding to 66132530 its reverse (3523166), we get a palindrome (69655696).

The spelling of 66132530 in words is "sixty-six million, one hundred thirty-two thousand, five hundred thirty".