65159709696 has 99 divisors (see below), whose sum is σ = 188218032951. Its totient is φ = 21711734784.

The previous prime is 65159709679. The next prime is 65159709697. The reversal of 65159709696 is 69690795156.

The square root of 65159709696 is 255264.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (65159709697) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24504015 + ... + 24506673.

Almost surely, 2^65159709696 is an apocalyptic number.

65159709696 is the 255264-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65159709696

65159709696 is an abundant number, since it is smaller than the sum of its proper divisors (123058323255).

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

65159709696 is an frugal number, since it uses more digits than its factorization.

65159709696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The spelling of 65159709696 in words is "sixty-five billion, one hundred fifty-nine million, seven hundred nine thousand, six hundred ninety-six".