1163681896 has 16 divisors (see below), whose sum is σ = 2349742500. Its totient is φ = 537083904.

The previous prime is 1163681887. The next prime is 1163681917. The reversal of 1163681896 is 6981863611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1149888100 + 13793796 = 33910^2 + 3714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5594521 + ... + 5594728.

Almost surely, 2^1163681896 is an apocalyptic number.

It is an amenable number.

1163681896 is an abundant number, since it is smaller than the sum of its proper divisors (1186060604).

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

1163681896 is a wasteful number, since it uses less digits than its factorization.

1163681896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11189268 (or 11189264 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 1163681896 is about 34112.7820032316. The cubic root of 1163681896 is about 1051.8280764989.

The spelling of 1163681896 in words is "one billion, one hundred sixty-three million, six hundred eighty-one thousand, eight hundred ninety-six".