1968320126 has 8 divisors (see below), whose sum is σ = 2952685344. Its totient is φ = 984091680.

The previous prime is 1968320119. The next prime is 1968320153. The reversal of 1968320126 is 6210238691.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1968320126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17291 + ... + 65081.

It is an arithmetic number, because the mean of its divisors is an integer number (369085668).

Almost surely, 2^1968320126 is an apocalyptic number.

1968320126 is a deficient number, since it is larger than the sum of its proper divisors (984365218).

1968320126 is a wasteful number, since it uses less digits than its factorization.

1968320126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68386.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1968320126 is about 44365.7539775895. The cubic root of 1968320126 is about 1253.2332565111.

The spelling of 1968320126 in words is "one billion, nine hundred sixty-eight million, three hundred twenty thousand, one hundred twenty-six".