1166440630 has 16 divisors (see below), whose sum is σ = 2190880224. Its totient is φ = 446290240.

The previous prime is 1166440619. The next prime is 1166440657. The reversal of 1166440630 is 360446611.

It is a junction number, because it is equal to n+sod(n) for n = 1166440592 and 1166440601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2535511 + ... + 2535970.

It is an arithmetic number, because the mean of its divisors is an integer number (136930014).

Almost surely, 2^1166440630 is an apocalyptic number.

1166440630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166440630 is a deficient number, since it is larger than the sum of its proper divisors (1024439594).

1166440630 is a wasteful number, since it uses less digits than its factorization.

1166440630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071511.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1166440630 is about 34153.1935549225. The cubic root of 1166440630 is about 1052.6586081292.

The spelling of 1166440630 in words is "one billion, one hundred sixty-six million, four hundred forty thousand, six hundred thirty".