65602065256 has 64 divisors (see below), whose sum is σ = 152478748800. Its totient is φ = 25765717248.

The previous prime is 65602065241. The next prime is 65602065257. The reversal of 65602065256 is 65256020656.

It is not an unprimeable number, because it can be changed into a prime (65602065257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222955 + ... + 425338.

It is an arithmetic number, because the mean of its divisors is an integer number (2382480450).

Almost surely, 2^65602065256 is an apocalyptic number.

It is an amenable number.

65602065256 is an abundant number, since it is smaller than the sum of its proper divisors (86876683544).

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

65602065256 is a wasteful number, since it uses less digits than its factorization.

65602065256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648458 (or 648454 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 65602065256 in words is "sixty-five billion, six hundred two million, sixty-five thousand, two hundred fifty-six".