253535166 has 24 divisors (see below), whose sum is σ = 553283640. Its totient is φ = 83902896.

The previous prime is 253535159. The next prime is 253535201. The reversal of 253535166 is 661535352.

It is a self number, because there is not a number n which added to its sum of digits gives 253535166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48165 + ... + 53168.

It is an arithmetic number, because the mean of its divisors is an integer number (23053485).

Almost surely, 2^253535166 is an apocalyptic number.

253535166 is an abundant number, since it is smaller than the sum of its proper divisors (299748474).

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

253535166 is a wasteful number, since it uses less digits than its factorization.

253535166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101480 (or 101477 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The square root of 253535166 is about 15922.7876328236. The cubic root of 253535166 is about 632.9159910374.

The spelling of 253535166 in words is "two hundred fifty-three million, five hundred thirty-five thousand, one hundred sixty-six".