66375148 has 24 divisors (see below), whose sum is σ = 138523392. Its totient is φ = 27209424.

The previous prime is 66375143. The next prime is 66375149. The reversal of 66375148 is 84157366.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 66375148.

It is not an unprimeable number, because it can be changed into a prime (66375143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50890 + ... + 52177.

It is an arithmetic number, because the mean of its divisors is an integer number (5771808).

Almost surely, 2^66375148 is an apocalyptic number.

It is an amenable number.

66375148 is an abundant number, since it is smaller than the sum of its proper divisors (72148244).

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

66375148 is a wasteful number, since it uses less digits than its factorization.

66375148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103101 (or 103099 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 66375148 is about 8147.0944513980. The cubic root of 66375148 is about 404.8882443263. Note that the first 3 decimals are identical.

The spelling of 66375148 in words is "sixty-six million, three hundred seventy-five thousand, one hundred forty-eight".