1169821996 has 48 divisors (see below), whose sum is σ = 2371279680. Its totient is φ = 494611200.

The previous prime is 1169821993. The next prime is 1169821999. The reversal of 1169821996 is 6991289611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1169821993) and next prime (1169821999).

It is not an unprimeable number, because it can be changed into a prime (1169821993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054290 + ... + 1055398.

It is an arithmetic number, because the mean of its divisors is an integer number (49401660).

Almost surely, 2^1169821996 is an apocalyptic number.

It is an amenable number.

1169821996 is an abundant number, since it is smaller than the sum of its proper divisors (1201457684).

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

1169821996 is a wasteful number, since it uses less digits than its factorization.

1169821996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1592 counting only the distinct ones).

The product of its digits is 419904, while the sum is 52.

The square root of 1169821996 is about 34202.6606567384. The cubic root of 1169821996 is about 1053.6748021877.

The spelling of 1169821996 in words is "one billion, one hundred sixty-nine million, eight hundred twenty-one thousand, nine hundred ninety-six".