1163199408 has 80 divisors (see below), whose sum is σ = 3454231296. Its totient is φ = 330405120.

The previous prime is 1163199403. The next prime is 1163199409. The reversal of 1163199408 is 8049913611.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1163199408.

It is not an unprimeable number, because it can be changed into a prime (1163199403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48123 + ... + 68133.

Almost surely, 2^1163199408 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 1163199408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727115648).

1163199408 is an abundant number, since it is smaller than the sum of its proper divisors (2291031888).

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

1163199408 is a wasteful number, since it uses less digits than its factorization.

1163199408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202 (or 20196 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1163199408 is about 34105.7093167698. The cubic root of 1163199408 is about 1051.6826860842.

The spelling of 1163199408 in words is "one billion, one hundred sixty-three million, one hundred ninety-nine thousand, four hundred eight".