253212166 has 8 divisors (see below), whose sum is σ = 392915520. Its totient is φ = 122240328.

The previous prime is 253212139. The next prime is 253212181. The reversal of 253212166 is 661212352.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2182806 + ... + 2182921.

It is an arithmetic number, because the mean of its divisors is an integer number (49114440).

Almost surely, 2^253212166 is an apocalyptic number.

253212166 is a deficient number, since it is larger than the sum of its proper divisors (139703354).

253212166 is a wasteful number, since it uses less digits than its factorization.

253212166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365758.

The product of its digits is 4320, while the sum is 28.

The square root of 253212166 is about 15912.6417040038. The cubic root of 253212166 is about 632.6471016572.

The spelling of 253212166 in words is "two hundred fifty-three million, two hundred twelve thousand, one hundred sixty-six".