252666366 has 16 divisors (see below), whose sum is σ = 517085184. Its totient is φ = 82263384.

The previous prime is 252666361. The next prime is 252666367. The reversal of 252666366 is 663666252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252666361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489406 + ... + 489921.

It is an arithmetic number, because the mean of its divisors is an integer number (32317824).

Almost surely, 2^252666366 is an apocalyptic number.

252666366 is an abundant number, since it is smaller than the sum of its proper divisors (264418818).

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

252666366 is a wasteful number, since it uses less digits than its factorization.

252666366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979375.

The product of its digits is 466560, while the sum is 42.

The square root of 252666366 is about 15895.4825658110. The cubic root of 252666366 is about 632.1922167428.

The spelling of 252666366 in words is "two hundred fifty-two million, six hundred sixty-six thousand, three hundred sixty-six".