253140166 has 8 divisors (see below), whose sum is σ = 402046200. Its totient is φ = 119124768.

The previous prime is 253140161. The next prime is 253140187. The reversal of 253140166 is 661041352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253140161) 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, 3722616 + ... + 3722683.

It is an arithmetic number, because the mean of its divisors is an integer number (50255775).

Almost surely, 2^253140166 is an apocalyptic number.

253140166 is a deficient number, since it is larger than the sum of its proper divisors (148906034).

253140166 is a wasteful number, since it uses less digits than its factorization.

253140166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445318.

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

The square root of 253140166 is about 15910.3791909558. The cubic root of 253140166 is about 632.5871323041.

The spelling of 253140166 in words is "two hundred fifty-three million, one hundred forty thousand, one hundred sixty-six".