1163140632 has 96 divisors (see below), whose sum is σ = 3372408000. Its totient is φ = 361056960.

The previous prime is 1163140591. The next prime is 1163140633. The reversal of 1163140632 is 2360413611.

1163140632 is a `hidden beast` number, since 1 + 16 + 3 + 14 + 0 + 632 = 666.

It is a super-2 number, since 2×1163140632² = 2705792259618718848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1163140596 and 1163140605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163140633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73507 + ... + 87917.

It is an arithmetic number, because the mean of its divisors is an integer number (35129250).

Almost surely, 2^1163140632 is an apocalyptic number.

1163140632 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 1163140632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1686204000).

1163140632 is an abundant number, since it is smaller than the sum of its proper divisors (2209267368).

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

1163140632 is a wasteful number, since it uses less digits than its factorization.

1163140632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14501 (or 14494 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1163140632 is about 34104.8476319716. The cubic root of 1163140632 is about 1051.6649720842.

The spelling of 1163140632 in words is "one billion, one hundred sixty-three million, one hundred forty thousand, six hundred thirty-two".