1163729952 has 288 divisors, whose sum is σ = 4176192384. Its totient is φ = 298598400.

The previous prime is 1163729939. The next prime is 1163729989. The reversal of 1163729952 is 2599273611.

It is a happy number.

1163729952 is a `hidden beast` number, since 1 + 1 + 637 + 2 + 9 + 9 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a junction number, because it is equal to n+sod(n) for n = 1163729898 and 1163729907.

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, 2150802 + ... + 2151342.

It is an arithmetic number, because the mean of its divisors is an integer number (14500668).

Almost surely, 2^1163729952 is an apocalyptic number.

1163729952 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 1163729952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2088096192).

1163729952 is an abundant number, since it is smaller than the sum of its proper divisors (3012462432).

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

1163729952 is a wasteful number, since it uses less digits than its factorization.

1163729952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 661 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 1163729952 is about 34113.4863653658. The cubic root of 1163729952 is about 1051.8425552422.

The spelling of 1163729952 in words is "one billion, one hundred sixty-three million, seven hundred twenty-nine thousand, nine hundred fifty-two".