1968641230 has 8 divisors (see below), whose sum is σ = 3543554232. Its totient is φ = 787456488.

The previous prime is 1968641221. The next prime is 1968641237. The reversal of 1968641230 is 321468691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968641237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98432052 + ... + 98432071.

It is an arithmetic number, because the mean of its divisors is an integer number (442944279).

Almost surely, 2^1968641230 is an apocalyptic number.

1968641230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1968641230 is a deficient number, since it is larger than the sum of its proper divisors (1574913002).

1968641230 is a wasteful number, since it uses less digits than its factorization.

1968641230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196864130.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1968641230 is about 44369.3726572734. The cubic root of 1968641230 is about 1253.3014019863.

The spelling of 1968641230 in words is "one billion, nine hundred sixty-eight million, six hundred forty-one thousand, two hundred thirty".