1968193264 has 20 divisors (see below), whose sum is σ = 3819738160. Its totient is φ = 982454400.

The previous prime is 1968193231. The next prime is 1968193301. The reversal of 1968193264 is 4623918691.

It is a happy number.

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, 92724 + ... + 111955.

It is an arithmetic number, because the mean of its divisors is an integer number (190986908).

Almost surely, 2^1968193264 is an apocalyptic number.

It is an amenable number.

1968193264 is a deficient number, since it is larger than the sum of its proper divisors (1851544896).

1968193264 is a wasteful number, since it uses less digits than its factorization.

1968193264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205288 (or 205282 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 1968193264 is about 44364.3242256658. The cubic root of 1968193264 is about 1253.2063315052.

The spelling of 1968193264 in words is "one billion, nine hundred sixty-eight million, one hundred ninety-three thousand, two hundred sixty-four".