1163340481 has 8 divisors (see below), whose sum is σ = 1274247720. Its totient is φ = 1057152768.

The previous prime is 1163340473. The next prime is 1163340509. The reversal of 1163340481 is 1840433611.

It can be written as a sum of positive squares in 4 ways, for example, as 705380481 + 457960000 = 26559^2 + 21400^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1163340481 - 2³ = 1163340473 is a prime.

It is a super-2 number, since 2×1163340481² = 2706722149466622722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163340181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179366 + ... + 1180351.

It is an arithmetic number, because the mean of its divisors is an integer number (159280965).

Almost surely, 2^1163340481 is an apocalyptic number.

It is an amenable number.

1163340481 is a deficient number, since it is larger than the sum of its proper divisors (110907239).

1163340481 is a wasteful number, since it uses less digits than its factorization.

1163340481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359763.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1163340481 is about 34107.7774268568. Note that the first 3 decimals coincide. The cubic root of 1163340481 is about 1051.7252004439.

The spelling of 1163340481 in words is "one billion, one hundred sixty-three million, three hundred forty thousand, four hundred eighty-one".