1252896166 has 8 divisors (see below), whose sum is σ = 1881889560. Its totient is φ = 625599648.

The previous prime is 1252896149. The next prime is 1252896173. The reversal of 1252896166 is 6616982521.

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

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 3 ways as a sum of consecutive naturals, for example, 422371 + ... + 425326.

It is an arithmetic number, because the mean of its divisors is an integer number (235236195).

Almost surely, 2^1252896166 is an apocalyptic number.

1252896166 is a deficient number, since it is larger than the sum of its proper divisors (628993394).

1252896166 is an equidigital number, since it uses as much as digits as its factorization.

1252896166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848438.

The product of its digits is 311040, while the sum is 46.

The square root of 1252896166 is about 35396.2733349148. The cubic root of 1252896166 is about 1078.0486500533.

The spelling of 1252896166 in words is "one billion, two hundred fifty-two million, eight hundred ninety-six thousand, one hundred sixty-six".