1666030304 has 12 divisors (see below), whose sum is σ = 3279997224. Its totient is φ = 833015136.

The previous prime is 1666030283. The next prime is 1666030307. The reversal of 1666030304 is 4030306661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1666030307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26031692 + ... + 26031755.

It is an arithmetic number, because the mean of its divisors is an integer number (273333102).

Almost surely, 2^1666030304 is an apocalyptic number.

It is an amenable number.

1666030304 is a deficient number, since it is larger than the sum of its proper divisors (1613966920).

1666030304 is an equidigital number, since it uses as much as digits as its factorization.

1666030304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52063457 (or 52063449 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 1666030304 is about 40817.0344831665. The cubic root of 1666030304 is about 1185.4801840135.

Adding to 1666030304 its reverse (4030306661), we get a palindrome (5696336965).

It can be divided in two parts, 16660 and 30304, that added together give a palindrome (46964).

The spelling of 1666030304 in words is "one billion, six hundred sixty-six million, thirty thousand, three hundred four".