1163391696 has 60 divisors (see below), whose sum is σ = 3273004800. Its totient is φ = 385757760.

The previous prime is 1163391673. The next prime is 1163391701. The reversal of 1163391696 is 6961933611.

It is a happy number.

1163391696 is a `hidden beast` number, since 1 + 1 + 633 + 9 + 1 + 6 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6355 + ... + 48653.

It is an arithmetic number, because the mean of its divisors is an integer number (54550080).

Almost surely, 2^1163391696 is an apocalyptic number.

1163391696 is a gapful number since it is divisible by the number (16) 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 1163391696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636502400).

1163391696 is an abundant number, since it is smaller than the sum of its proper divisors (2109613104).

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

1163391696 is a wasteful number, since it uses less digits than its factorization.

1163391696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42504 (or 42495 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 1163391696 is about 34108.5282004369. The cubic root of 1163391696 is about 1051.7406339639.

The spelling of 1163391696 in words is "one billion, one hundred sixty-three million, three hundred ninety-one thousand, six hundred ninety-six".