1316128168 has 32 divisors (see below), whose sum is σ = 2651918400. Its totient is φ = 610106112.

The previous prime is 1316128159. The next prime is 1316128183. The reversal of 1316128168 is 8618216131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63108 + ... + 81331.

It is an arithmetic number, because the mean of its divisors is an integer number (82872450).

Almost surely, 2^1316128168 is an apocalyptic number.

It is an amenable number.

1316128168 is an abundant number, since it is smaller than the sum of its proper divisors (1335790232).

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

1316128168 is a wasteful number, since it uses less digits than its factorization.

1316128168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144529 (or 144525 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 1316128168 is about 36278.4807840681. The cubic root of 1316128168 is about 1095.8877222614.

The spelling of 1316128168 in words is "one billion, three hundred sixteen million, one hundred twenty-eight thousand, one hundred sixty-eight".