66124132 has 12 divisors (see below), whose sum is σ = 117678960. Its totient is φ = 32501576.

The previous prime is 66124127. The next prime is 66124139. The reversal of 66124132 is 23142166.

It is a junction number, because it is equal to n+sod(n) for n = 66124097 and 66124106.

It is not an unprimeable number, because it can be changed into a prime (66124139) 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, 139858 + ... + 140329.

It is an arithmetic number, because the mean of its divisors is an integer number (9806580).

Almost surely, 2^66124132 is an apocalyptic number.

It is an amenable number.

66124132 is a deficient number, since it is larger than the sum of its proper divisors (51554828).

66124132 is a wasteful number, since it uses less digits than its factorization.

66124132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280250 (or 280248 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 66124132 is about 8131.6746122801. The cubic root of 66124132 is about 404.3772005658.

Adding to 66124132 its reverse (23142166), we get a palindrome (89266298).

The spelling of 66124132 in words is "sixty-six million, one hundred twenty-four thousand, one hundred thirty-two".