1166440704 has 432 divisors, whose sum is σ = 3949989120. Its totient is φ = 301916160.

The previous prime is 1166440673. The next prime is 1166440711. The reversal of 1166440704 is 4070446611.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27126507 + ... + 27126549.

Almost surely, 2^1166440704 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 1166440704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974994560).

1166440704 is an abundant number, since it is smaller than the sum of its proper divisors (2783548416).

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

1166440704 is a wasteful number, since it uses less digits than its factorization.

1166440704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1166440704 is about 34153.1946382765. The cubic root of 1166440704 is about 1052.6586303897.

The spelling of 1166440704 in words is "one billion, one hundred sixty-six million, four hundred forty thousand, seven hundred four".