66493148 has 12 divisors (see below), whose sum is σ = 117515832. Its totient is φ = 32917200.

The previous prime is 66493129. The next prime is 66493151. The reversal of 66493148 is 84139466.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81890 + ... + 82697.

It is an arithmetic number, because the mean of its divisors is an integer number (9792986).

Almost surely, 2^66493148 is an apocalyptic number.

It is an amenable number.

66493148 is a deficient number, since it is larger than the sum of its proper divisors (51022684).

66493148 is a wasteful number, since it uses less digits than its factorization.

66493148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164692 (or 164690 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 66493148 is about 8154.3330812520. Note that the first 3 decimals coincide. The cubic root of 66493148 is about 405.1280355236.

The spelling of 66493148 in words is "sixty-six million, four hundred ninety-three thousand, one hundred forty-eight".