1965332568 has 32 divisors (see below), whose sum is σ = 4921331760. Its totient is φ = 654044160.

The previous prime is 1965332527. The next prime is 1965332569. The reversal of 1965332568 is 8652335691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1965332569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51553 + ... + 81168.

Almost surely, 2^1965332568 is an apocalyptic number.

It is an amenable number.

1965332568 is an abundant number, since it is smaller than the sum of its proper divisors (2955999192).

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

1965332568 is a wasteful number, since it uses less digits than its factorization.

1965332568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133347 (or 133343 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 48.

The square root of 1965332568 is about 44332.0715509664. The cubic root of 1965332568 is about 1252.5988741113.

The spelling of 1965332568 in words is "one billion, nine hundred sixty-five million, three hundred thirty-two thousand, five hundred sixty-eight".