1668328230 has 64 divisors (see below), whose sum is σ = 4210195968. Its totient is φ = 422273280.

The previous prime is 1668328219. The next prime is 1668328237. The reversal of 1668328230 is 328238661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668328237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81162 + ... + 99618.

It is an arithmetic number, because the mean of its divisors is an integer number (65784312).

Almost surely, 2^1668328230 is an apocalyptic number.

1668328230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1668328230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2105097984).

1668328230 is an abundant number, since it is smaller than the sum of its proper divisors (2541867738).

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

1668328230 is a wasteful number, since it uses less digits than its factorization.

1668328230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18621.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1668328230 is about 40845.1738887228. The cubic root of 1668328230 is about 1186.0249708709.

The spelling of 1668328230 in words is "one billion, six hundred sixty-eight million, three hundred twenty-eight thousand, two hundred thirty".