1163004264 has 64 divisors (see below), whose sum is σ = 3249345600. Its totient is φ = 385414848.

The previous prime is 1163004259. The next prime is 1163004287. The reversal of 1163004264 is 4624003611.

1163004264 is a `hidden beast` number, since 1 + 1 + 630 + 0 + 4 + 26 + 4 = 666.

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

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 15 ways as a sum of consecutive naturals, for example, 21807 + ... + 52929.

It is an arithmetic number, because the mean of its divisors is an integer number (50771025).

Almost surely, 2^1163004264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1163004264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624672800).

1163004264 is an abundant number, since it is smaller than the sum of its proper divisors (2086341336).

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

1163004264 is a wasteful number, since it uses less digits than its factorization.

1163004264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31311 (or 31301 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1163004264 is about 34102.8483267894. The cubic root of 1163004264 is about 1051.6238709912.

Adding to 1163004264 its reverse (4624003611), we get a palindrome (5787007875).

The spelling of 1163004264 in words is "one billion, one hundred sixty-three million, four thousand, two hundred sixty-four".