65995596 has 36 divisors (see below), whose sum is σ = 167377392. Its totient is φ = 21925344.

The previous prime is 65995537. The next prime is 65995597. The reversal of 65995596 is 69559956.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (65995597) 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, 8521 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (4649372).

Almost surely, 2^65995596 is an apocalyptic number.

It is an amenable number.

65995596 is an abundant number, since it is smaller than the sum of its proper divisors (101381796).

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

65995596 is a wasteful number, since it uses less digits than its factorization.

65995596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6110 (or 6105 counting only the distinct ones).

The product of its digits is 3280500, while the sum is 54.

The square root of 65995596 is about 8123.7673526511. The cubic root of 65995596 is about 404.1150131648.

The spelling of 65995596 in words is "sixty-five million, nine hundred ninety-five thousand, five hundred ninety-six".