1968573330 has 24 divisors (see below), whose sum is σ = 5118290892. Its totient is φ = 524952864.

The previous prime is 1968573307. The next prime is 1968573349. The reversal of 1968573330 is 333758691.

1968573330 is a `hidden beast` number, since 19 + 68 + 573 + 3 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1938728961 + 29844369 = 44031^2 + 5463^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10936429 + ... + 10936608.

Almost surely, 2^1968573330 is an apocalyptic number.

1968573330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1968573330 is an abundant number, since it is smaller than the sum of its proper divisors (3149717562).

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

1968573330 is a wasteful number, since it uses less digits than its factorization.

1968573330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21873050 (or 21873047 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 1968573330 is about 44368.6074832195. The cubic root of 1968573330 is about 1253.2869927003.

The spelling of 1968573330 in words is "one billion, nine hundred sixty-eight million, five hundred seventy-three thousand, three hundred thirty".