252107666 has 8 divisors (see below), whose sum is σ = 381048624. Its totient is φ = 125091460.

The previous prime is 252107651. The next prime is 252107683. The reversal of 252107666 is 666701252.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480860 + ... + 481383.

It is an arithmetic number, because the mean of its divisors is an integer number (47631078).

Almost surely, 2^252107666 is an apocalyptic number.

252107666 is a deficient number, since it is larger than the sum of its proper divisors (128940958).

252107666 is a wasteful number, since it uses less digits than its factorization.

252107666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962376.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 252107666 is about 15877.8986644959. The cubic root of 252107666 is about 631.7259016102.

The spelling of 252107666 in words is "two hundred fifty-two million, one hundred seven thousand, six hundred sixty-six".