1163508396 has 48 divisors (see below), whose sum is σ = 2878377600. Its totient is φ = 364770432.

The previous prime is 1163508389. The next prime is 1163508403. The reversal of 1163508396 is 6938053611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1163508389) and next prime (1163508403).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13336 + ... + 50048.

It is an arithmetic number, because the mean of its divisors is an integer number (59966200).

Almost surely, 2^1163508396 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 1163508396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439188800).

1163508396 is an abundant number, since it is smaller than the sum of its proper divisors (1714869204).

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

1163508396 is a wasteful number, since it uses less digits than its factorization.

1163508396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36878 (or 36876 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1163508396 is about 34110.2388733940. The cubic root of 1163508396 is about 1051.7757995430.

The spelling of 1163508396 in words is "one billion, one hundred sixty-three million, five hundred eight thousand, three hundred ninety-six".