1666330130 has 16 divisors (see below), whose sum is σ = 3008461824. Its totient is φ = 664517040.

The previous prime is 1666330121. The next prime is 1666330163. The reversal of 1666330130 is 310336661.

It is a super-2 number, since 2×1666330130² = 5553312204291633800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1666330093 and 1666330102.

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 7 ways as a sum of consecutive naturals, for example, 248402 + ... + 255021.

It is an arithmetic number, because the mean of its divisors is an integer number (188028864).

Almost surely, 2^1666330130 is an apocalyptic number.

1666330130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1666330130 is a deficient number, since it is larger than the sum of its proper divisors (1342131694).

1666330130 is a wasteful number, since it uses less digits than its factorization.

1666330130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503761.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 1666330130 is about 40820.7071227337. The cubic root of 1666330130 is about 1185.5512944571.

Adding to 1666330130 its reverse (310336661), we get a palindrome (1976666791).

The spelling of 1666330130 in words is "one billion, six hundred sixty-six million, three hundred thirty thousand, one hundred thirty".