1163456080 has 20 divisors (see below), whose sum is σ = 2705035572. Its totient is φ = 465382400.

The previous prime is 1163456029. The next prime is 1163456113. The reversal of 1163456080 is 806543611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 642521104 + 520934976 = 25348^2 + 22824^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 7271521 + ... + 7271680.

Almost surely, 2^1163456080 is an apocalyptic number.

1163456080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163456080 is an abundant number, since it is smaller than the sum of its proper divisors (1541579492).

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

1163456080 is a wasteful number, since it uses less digits than its factorization.

1163456080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14543214 (or 14543208 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1163456080 is about 34109.4719982588. The cubic root of 1163456080 is about 1051.7600352885.

Adding to 1163456080 its reverse (806543611), we get a palindrome (1969999691).

The spelling of 1163456080 in words is "one billion, one hundred sixty-three million, four hundred fifty-six thousand, eighty".