66262120 has 32 divisors (see below), whose sum is σ = 156938400. Its totient is φ = 25109568.

The previous prime is 66262087. The next prime is 66262121. The reversal of 66262120 is 2126266.

66262120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66262121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42834 + ... + 44353.

It is an arithmetic number, because the mean of its divisors is an integer number (4904325).

Almost surely, 2^66262120 is an apocalyptic number.

It is an amenable number.

66262120 is an abundant number, since it is smaller than the sum of its proper divisors (90676280).

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

66262120 is a wasteful number, since it uses less digits than its factorization.

66262120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87217 (or 87213 counting only the distinct ones).

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

The square root of 66262120 is about 8140.1547896831. The cubic root of 66262120 is about 404.6582902398.

Adding to 66262120 its reverse (2126266), we get a palindrome (68388386).

The spelling of 66262120 in words is "sixty-six million, two hundred sixty-two thousand, one hundred twenty".