253060666 has 8 divisors (see below), whose sum is σ = 380224404. Its totient is φ = 126319200.

The previous prime is 253060663. The next prime is 253060669. The reversal of 253060666 is 666060352.

It is an interprime number because it is at equal distance from previous prime (253060663) and next prime (253060669).

It can be written as a sum of positive squares in 2 ways, for example, as 250747225 + 2313441 = 15835^2 + 1521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (253060663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104065 + ... + 106468.

Almost surely, 2^253060666 is an apocalyptic number.

253060666 is a deficient number, since it is larger than the sum of its proper divisors (127163738).

253060666 is a wasteful number, since it uses less digits than its factorization.

253060666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211136.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 253060666 is about 15907.8806256522. The cubic root of 253060666 is about 632.5209029321.

The spelling of 253060666 in words is "two hundred fifty-three million, sixty thousand, six hundred sixty-six".