66253060 has 12 divisors (see below), whose sum is σ = 139131468. Its totient is φ = 26501216.

The previous prime is 66253043. The next prime is 66253079. The reversal of 66253060 is 6035266.

66253060 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 2 ways, for example, as 21977344 + 44275716 = 4688^2 + 6654^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 1656307 + ... + 1656346.

It is an arithmetic number, because the mean of its divisors is an integer number (11594289).

Almost surely, 2^66253060 is an apocalyptic number.

It is an amenable number.

66253060 is an abundant number, since it is smaller than the sum of its proper divisors (72878408).

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

66253060 is a wasteful number, since it uses less digits than its factorization.

66253060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312662 (or 3312660 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 66253060 is about 8139.5982701851. The cubic root of 66253060 is about 404.6398464632.

The spelling of 66253060 in words is "sixty-six million, two hundred fifty-three thousand, sixty".