66260368 has 10 divisors (see below), whose sum is σ = 128379494. Its totient is φ = 33130176.

The previous prime is 66260351. The next prime is 66260399. The reversal of 66260368 is 86306266.

66260368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 60652944 + 5607424 = 7788^2 + 2368^2 .

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 as a sum of consecutive naturals, namely, 2070621 + ... + 2070652.

Almost surely, 2^66260368 is an apocalyptic number.

It is an amenable number.

66260368 is a deficient number, since it is larger than the sum of its proper divisors (62119126).

66260368 is a wasteful number, since it uses less digits than its factorization.

66260368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141281 (or 4141275 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 66260368 is about 8140.0471743105. The cubic root of 66260368 is about 404.6547237598.

The spelling of 66260368 in words is "sixty-six million, two hundred sixty thousand, three hundred sixty-eight".