1968266828 has 96 divisors (see below), whose sum is σ = 3966713856. Its totient is φ = 853776000.

The previous prime is 1968266789. The next prime is 1968266831. The reversal of 1968266828 is 8286628691.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15498101 + ... + 15498227.

It is an arithmetic number, because the mean of its divisors is an integer number (41319936).

Almost surely, 2^1968266828 is an apocalyptic number.

It is an amenable number.

1968266828 is an abundant number, since it is smaller than the sum of its proper divisors (1998447028).

1968266828 is a wasteful number, since it uses less digits than its factorization.

1968266828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 252 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 56.

The square root of 1968266828 is about 44365.1533075228. The cubic root of 1968266828 is about 1253.2219447622.

The spelling of 1968266828 in words is "one billion, nine hundred sixty-eight million, two hundred sixty-six thousand, eight hundred twenty-eight".