1166487960 has 64 divisors (see below), whose sum is σ = 3817601280. Its totient is φ = 282784640.

The previous prime is 1166487943. The next prime is 1166487979. The reversal of 1166487960 is 697846611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 440532 + ... + 443171.

It is an arithmetic number, because the mean of its divisors is an integer number (59650020).

Almost surely, 2^1166487960 is an apocalyptic number.

1166487960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166487960 is an abundant number, since it is smaller than the sum of its proper divisors (2651113320).

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

1166487960 is a wasteful number, since it uses less digits than its factorization.

1166487960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883728 (or 883724 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 1166487960 is about 34153.8864552777. The cubic root of 1166487960 is about 1052.6728456471.

The spelling of 1166487960 in words is "one billion, one hundred sixty-six million, four hundred eighty-seven thousand, nine hundred sixty".