1171101663 has 24 divisors (see below), whose sum is σ = 1753504896. Its totient is φ = 752371200.

The previous prime is 1171101647. The next prime is 1171101677. The reversal of 1171101663 is 3661011711.

It is not a de Polignac number, because 1171101663 - 2⁴ = 1171101647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171101683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58531 + ... + 75947.

It is an arithmetic number, because the mean of its divisors is an integer number (73062704).

Almost surely, 2^1171101663 is an apocalyptic number.

1171101663 is a deficient number, since it is larger than the sum of its proper divisors (582403233).

1171101663 is a wasteful number, since it uses less digits than its factorization.

1171101663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17695 (or 17692 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1171101663 is about 34221.3626701217. The cubic root of 1171101663 is about 1054.0588667498.

The spelling of 1171101663 in words is "one billion, one hundred seventy-one million, one hundred one thousand, six hundred sixty-three".