1163407320 has 128 divisors (see below), whose sum is σ = 3912753600. Its totient is φ = 307464192.

The previous prime is 1163407319. The next prime is 1163407327. The reversal of 1163407320 is 237043611.

1163407320 is a `hidden beast` number, since 1 + 1 + 634 + 0 + 7 + 3 + 20 = 666.

It is a super-3 number, since 3×1163407320³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163407327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117274 + ... + 126806.

Almost surely, 2^1163407320 is an apocalyptic number.

1163407320 is a gapful number since it is divisible by the number (10) 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 1163407320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1956376800).

1163407320 is an abundant number, since it is smaller than the sum of its proper divisors (2749346280).

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

1163407320 is a wasteful number, since it uses less digits than its factorization.

1163407320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666 (or 9656 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1163407320 is about 34108.7572332971. The cubic root of 1163407320 is about 1051.7453421294.

The spelling of 1163407320 in words is "one billion, one hundred sixty-three million, four hundred seven thousand, three hundred twenty".