1165536768 has 160 divisors (see below), whose sum is σ = 3425887872. Its totient is φ = 349184000.

The previous prime is 1165536763. The next prime is 1165536793. The reversal of 1165536768 is 8676355611.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (907200) is a multiple of the sum of its prime divisors (800).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165536763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1706155 + ... + 1706837.

Almost surely, 2^1165536768 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 1165536768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712943936).

1165536768 is an abundant number, since it is smaller than the sum of its proper divisors (2260351104).

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

1165536768 is a wasteful number, since it uses less digits than its factorization.

1165536768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 800 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The square root of 1165536768 is about 34139.9585237006. The cubic root of 1165536768 is about 1052.3866400140.

It can be divided in two parts, 116553 and 6768, that added together give a palindrome (123321).

The spelling of 1165536768 in words is "one billion, one hundred sixty-five million, five hundred thirty-six thousand, seven hundred sixty-eight".