66548152 has 32 divisors (see below), whose sum is σ = 138165120. Its totient is φ = 29795040.

The previous prime is 66548147. The next prime is 66548201. The reversal of 66548152 is 25184566.

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 7 ways as a sum of consecutive naturals, for example, 253 + ... + 11539.

It is an arithmetic number, because the mean of its divisors is an integer number (4317660).

Almost surely, 2^66548152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66548152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69082560).

66548152 is an abundant number, since it is smaller than the sum of its proper divisors (71616968).

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

66548152 is a wasteful number, since it uses less digits than its factorization.

66548152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11371 (or 11367 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 66548152 is about 8157.7050694420. The cubic root of 66548152 is about 405.2397138018.

The spelling of 66548152 in words is "sixty-six million, five hundred forty-eight thousand, one hundred fifty-two".