1163362500 has 216 divisors, whose sum is σ = 3821755392. Its totient is φ = 309420000.

The previous prime is 1163362483. The next prime is 1163362511. The reversal of 1163362500 is 52633611.

1163362500 is a `hidden beast` number, since 1 + 1 + 6 + 33 + 625 + 0 + 0 = 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 polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3037309 + ... + 3037691.

It is an arithmetic number, because the mean of its divisors is an integer number (17693312).

Almost surely, 2^1163362500 is an apocalyptic number.

1163362500 is a gapful number since it is divisible by the number (10) 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 1163362500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1910877696).

1163362500 is an abundant number, since it is smaller than the sum of its proper divisors (2658392892).

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

1163362500 is an frugal number, since it uses more digits than its factorization.

1163362500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1163362500 is about 34108.1002109470. The cubic root of 1163362500 is about 1051.7318358733.

The spelling of 1163362500 in words is "one billion, one hundred sixty-three million, three hundred sixty-two thousand, five hundred".