65635706016 has 72 divisors (see below), whose sum is σ = 187259776704. Its totient is φ = 21807273600.

The previous prime is 65635705969. The next prime is 65635706023. The reversal of 65635706016 is 61060753656.

65635706016 is a `hidden beast` number, since 6 + 5 + 6 + 3 + 570 + 60 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282760 + ... + 459591.

It is an arithmetic number, because the mean of its divisors is an integer number (2600830232).

Almost surely, 2^65635706016 is an apocalyptic number.

It is an amenable number.

65635706016 is an abundant number, since it is smaller than the sum of its proper divisors (121624070688).

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

65635706016 is a wasteful number, since it uses less digits than its factorization.

65635706016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742674 (or 742663 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 65635706016 in words is "sixty-five billion, six hundred thirty-five million, seven hundred six thousand, sixteen".