252963166 has 4 divisors (see below), whose sum is σ = 379444752. Its totient is φ = 126481582.

The previous prime is 252963163. The next prime is 252963209. The reversal of 252963166 is 661369252.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252963163) by changing a digit.

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 as a sum of consecutive naturals, namely, 63240790 + ... + 63240793.

It is an arithmetic number, because the mean of its divisors is an integer number (94861188).

Almost surely, 2^252963166 is an apocalyptic number.

252963166 is a deficient number, since it is larger than the sum of its proper divisors (126481586).

252963166 is a wasteful number, since it uses less digits than its factorization.

252963166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126481585.

The product of its digits is 116640, while the sum is 40.

The square root of 252963166 is about 15904.8158115710. The cubic root of 252963166 is about 632.4396592908.

The spelling of 252963166 in words is "two hundred fifty-two million, nine hundred sixty-three thousand, one hundred sixty-six".