252206168 has 8 divisors (see below), whose sum is σ = 472886580. Its totient is φ = 126103080.

The previous prime is 252206159. The next prime is 252206197. The reversal of 252206168 is 861602252.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15762878 + ... + 15762893.

Almost surely, 2^252206168 is an apocalyptic number.

It is an amenable number.

252206168 is a deficient number, since it is larger than the sum of its proper divisors (220680412).

252206168 is a wasteful number, since it uses less digits than its factorization.

252206168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31525777 (or 31525773 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 252206168 is about 15881.0002203891. Note that the first 3 decimals coincide. The cubic root of 252206168 is about 631.8081656197.

The spelling of 252206168 in words is "two hundred fifty-two million, two hundred six thousand, one hundred sixty-eight".