1168368642 has 36 divisors (see below), whose sum is σ = 2944768086. Its totient is φ = 333819360.

The previous prime is 1168368581. The next prime is 1168368661. The reversal of 1168368642 is 2468638611.

It can be written as a sum of positive squares in only one way, i.e., 951660801 + 216707841 = 30849^2 + 14721^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 661459 + ... + 663222.

Almost surely, 2^1168368642 is an apocalyptic number.

1168368642 is an abundant number, since it is smaller than the sum of its proper divisors (1776399444).

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

1168368642 is a wasteful number, since it uses less digits than its factorization.

1168368642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324703 (or 1324693 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 1168368642 is about 34181.4078411057. The cubic root of 1168368642 is about 1053.2382693631.

The spelling of 1168368642 in words is "one billion, one hundred sixty-eight million, three hundred sixty-eight thousand, six hundred forty-two".