1163909917 has 8 divisors (see below), whose sum is σ = 1215636480. Its totient is φ = 1112276880.

The previous prime is 1163909893. The next prime is 1163909959. The reversal of 1163909917 is 7199093611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1163909917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163909987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2692 + ... + 48322.

It is an arithmetic number, because the mean of its divisors is an integer number (151954560).

Almost surely, 2^1163909917 is an apocalyptic number.

It is an amenable number.

1163909917 is a deficient number, since it is larger than the sum of its proper divisors (51726563).

1163909917 is a wasteful number, since it uses less digits than its factorization.

1163909917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46763.

The product of its (nonzero) digits is 91854, while the sum is 46.

The square root of 1163909917 is about 34116.1240031748. The cubic root of 1163909917 is about 1051.8967731726.

The spelling of 1163909917 in words is "one billion, one hundred sixty-three million, nine hundred nine thousand, nine hundred seventeen".