1163455488 has 330 divisors, whose sum is σ = 3807444564. Its totient is φ = 353673216.

The previous prime is 1163455459. The next prime is 1163455543. The reversal of 1163455488 is 8845543611.

1163455488 is a `hidden beast` number, since 1 + 1 + 63 + 45 + 548 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14017495 + ... + 14017577.

Almost surely, 2^1163455488 is an apocalyptic number.

1163455488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163455488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1903722282).

1163455488 is an abundant number, since it is smaller than the sum of its proper divisors (2643989076).

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

1163455488 is an equidigital number, since it uses as much as digits as its factorization.

1163455488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 101 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 1163455488 is about 34109.4633203163. The cubic root of 1163455488 is about 1051.7598568998.

The spelling of 1163455488 in words is "one billion, one hundred sixty-three million, four hundred fifty-five thousand, four hundred eighty-eight".