1965996068 has 36 divisors (see below), whose sum is σ = 3583302912. Its totient is φ = 942837840.

The previous prime is 1965996061. The next prime is 1965996079. The reversal of 1965996068 is 8606995691.

It is a junction number, because it is equal to n+sod(n) for n = 1965995998 and 1965996016.

It is not an unprimeable number, because it can be changed into a prime (1965996061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1999505 + ... + 2000487.

It is an arithmetic number, because the mean of its divisors is an integer number (99536192).

Almost surely, 2^1965996068 is an apocalyptic number.

It is an amenable number.

1965996068 is a deficient number, since it is larger than the sum of its proper divisors (1617306844).

1965996068 is a wasteful number, since it uses less digits than its factorization.

1965996068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 59.

The square root of 1965996068 is about 44339.5542151700. The cubic root of 1965996068 is about 1252.7398181695.

The spelling of 1965996068 in words is "one billion, nine hundred sixty-five million, nine hundred ninety-six thousand, sixty-eight".