1166869992 has 16 divisors (see below), whose sum is σ = 2917175040. Its totient is φ = 388956656.

The previous prime is 1166869981. The next prime is 1166869993. The reversal of 1166869992 is 2999686611.

It is not an unprimeable number, because it can be changed into a prime (1166869993) 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 3 ways as a sum of consecutive naturals, for example, 24309768 + ... + 24309815.

It is an arithmetic number, because the mean of its divisors is an integer number (182323440).

Almost surely, 2^1166869992 is an apocalyptic number.

1166869992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1166869992 is an abundant number, since it is smaller than the sum of its proper divisors (1750305048).

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

1166869992 is a wasteful number, since it uses less digits than its factorization.

1166869992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48619592 (or 48619588 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 57.

The square root of 1166869992 is about 34159.4788016445. The cubic root of 1166869992 is about 1052.7877520532.

The spelling of 1166869992 in words is "one billion, one hundred sixty-six million, eight hundred sixty-nine thousand, nine hundred ninety-two".