66552360 has 64 divisors (see below), whose sum is σ = 228182400. Its totient is φ = 15211776.

The previous prime is 66552337. The next prime is 66552371. The reversal of 66552360 is 6325566.

66552360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38775 + ... + 40454.

It is an arithmetic number, because the mean of its divisors is an integer number (3565350).

Almost surely, 2^66552360 is an apocalyptic number.

66552360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66552360 is an abundant number, since it is smaller than the sum of its proper divisors (161630040).

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

66552360 is a wasteful number, since it uses less digits than its factorization.

66552360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79250 (or 79246 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 66552360 is about 8157.9629810388. The cubic root of 66552360 is about 405.2482550497.

The spelling of 66552360 in words is "sixty-six million, five hundred fifty-two thousand, three hundred sixty".