1268817170 has 16 divisors (see below), whose sum is σ = 2332464768. Its totient is φ = 496728240.

The previous prime is 1268817167. The next prime is 1268817203. The reversal of 1268817170 is 717188621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349336 + ... + 1350275.

It is an arithmetic number, because the mean of its divisors is an integer number (145779048).

Almost surely, 2^1268817170 is an apocalyptic number.

1268817170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268817170 is a deficient number, since it is larger than the sum of its proper divisors (1063647598).

1268817170 is a wasteful number, since it uses less digits than its factorization.

1268817170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699665.

The product of its (nonzero) digits is 37632, while the sum is 41.

The square root of 1268817170 is about 35620.4599914150. The cubic root of 1268817170 is about 1082.5958277168.

The spelling of 1268817170 in words is "one billion, two hundred sixty-eight million, eight hundred seventeen thousand, one hundred seventy".