1166046648 has 96 divisors (see below), whose sum is σ = 3244726800. Its totient is φ = 347120640.

The previous prime is 1166046631. The next prime is 1166046649. The reversal of 1166046648 is 8466406611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166046649) 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 23 ways as a sum of consecutive naturals, for example, 297888 + ... + 301776.

Almost surely, 2^1166046648 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 1166046648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622363400).

1166046648 is an abundant number, since it is smaller than the sum of its proper divisors (2078680152).

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

1166046648 is a wasteful number, since it uses less digits than its factorization.

1166046648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 1166046648 is about 34147.4252030808. The cubic root of 1166046648 is about 1052.5400779513.

The spelling of 1166046648 in words is "one billion, one hundred sixty-six million, forty-six thousand, six hundred forty-eight".