1268375163 has 16 divisors (see below), whose sum is σ = 1853193216. Its totient is φ = 765260640.

The previous prime is 1268375159. The next prime is 1268375189. The reversal of 1268375163 is 3615738621.

It is not a de Polignac number, because 1268375163 - 2² = 1268375159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1268375263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78820 + ... + 93537.

It is an arithmetic number, because the mean of its divisors is an integer number (115824576).

Almost surely, 2^1268375163 is an apocalyptic number.

1268375163 is a deficient number, since it is larger than the sum of its proper divisors (584818053).

1268375163 is a wasteful number, since it uses less digits than its factorization.

1268375163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172594.

The product of its digits is 181440, while the sum is 42.

The square root of 1268375163 is about 35614.2550532789. The cubic root of 1268375163 is about 1082.4701015624.

The spelling of 1268375163 in words is "one billion, two hundred sixty-eight million, three hundred seventy-five thousand, one hundred sixty-three".