66260270 has 16 divisors (see below), whose sum is σ = 119438928. Its totient is φ = 26466240.

The previous prime is 66260269. The next prime is 66260279. The reversal of 66260270 is 7206266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66260279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3257 + ... + 11963.

It is an arithmetic number, because the mean of its divisors is an integer number (7464933).

Almost surely, 2^66260270 is an apocalyptic number.

66260270 is a deficient number, since it is larger than the sum of its proper divisors (53178658).

66260270 is a wasteful number, since it uses less digits than its factorization.

66260270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9475.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 66260270 is about 8140.0411546871. The cubic root of 66260270 is about 404.6545242631.

The spelling of 66260270 in words is "sixty-six million, two hundred sixty thousand, two hundred seventy".