1163365632 has 432 divisors, whose sum is σ = 4110402240. Its totient is φ = 322375680.

The previous prime is 1163365603. The next prime is 1163365663. The reversal of 1163365632 is 2365633611.

1163365632 is a `hidden beast` number, since 1 + 1 + 63 + 36 + 563 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10872523 + ... + 10872629.

It is an arithmetic number, because the mean of its divisors is an integer number (9514820).

Almost surely, 2^1163365632 is an apocalyptic number.

1163365632 is a gapful number since it is divisible by the number (12) 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 1163365632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2055201120).

1163365632 is an abundant number, since it is smaller than the sum of its proper divisors (2947036608).

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

1163365632 is a wasteful number, since it uses less digits than its factorization.

1163365632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 136 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 1163365632 is about 34108.1461237635. The cubic root of 1163365632 is about 1051.7327796953.

The spelling of 1163365632 in words is "one billion, one hundred sixty-three million, three hundred sixty-five thousand, six hundred thirty-two".