65205960 has 32 divisors (see below), whose sum is σ = 195618240. Its totient is φ = 17388224.

The previous prime is 65205947. The next prime is 65205961. The reversal of 65205960 is 6950256.

It is not an unprimeable number, because it can be changed into a prime (65205961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271572 + ... + 271811.

It is an arithmetic number, because the mean of its divisors is an integer number (6113070).

Almost surely, 2^65205960 is an apocalyptic number.

65205960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65205960 is an abundant number, since it is smaller than the sum of its proper divisors (130412280).

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

65205960 is a wasteful number, since it uses less digits than its factorization.

65205960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543397 (or 543393 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 65205960 is about 8075.0207430074. The cubic root of 65205960 is about 402.4967992235.

The spelling of 65205960 in words is "sixty-five million, two hundred five thousand, nine hundred sixty".