1666613230 has 32 divisors (see below), whose sum is σ = 3042080640. Its totient is φ = 657296640.

The previous prime is 1666613219. The next prime is 1666613231. The reversal of 1666613230 is 323166661.

It is a super-2 number, since 2×1666613230² = 5555199316822065800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1666613231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042792 + ... + 1044388.

It is an arithmetic number, because the mean of its divisors is an integer number (95065020).

Almost surely, 2^1666613230 is an apocalyptic number.

1666613230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1666613230 is a deficient number, since it is larger than the sum of its proper divisors (1375467410).

1666613230 is a wasteful number, since it uses less digits than its factorization.

1666613230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 1666613230 is about 40824.1745783059. The cubic root of 1666613230 is about 1185.6184301265.

Adding to 1666613230 its reverse (323166661), we get a palindrome (1989779891).

The spelling of 1666613230 in words is "one billion, six hundred sixty-six million, six hundred thirteen thousand, two hundred thirty".