66103132 has 12 divisors (see below), whose sum is σ = 115824240. Its totient is φ = 33010496.

The previous prime is 66103117. The next prime is 66103139. The reversal of 66103132 is 23130166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66103139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6493 + ... + 13204.

It is an arithmetic number, because the mean of its divisors is an integer number (9652020).

Almost surely, 2^66103132 is an apocalyptic number.

It is an amenable number.

66103132 is a deficient number, since it is larger than the sum of its proper divisors (49721108).

66103132 is a wasteful number, since it uses less digits than its factorization.

66103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20540 (or 20538 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 66103132 is about 8130.3832627989. The cubic root of 66103132 is about 404.3343880551.

Adding to 66103132 its reverse (23130166), we get a palindrome (89233298).

The spelling of 66103132 in words is "sixty-six million, one hundred three thousand, one hundred thirty-two".