65728898116 has 108 divisors (see below), whose sum is σ = 139236648768. Its totient is φ = 27068580000.

The previous prime is 65728898111. The next prime is 65728898149. The reversal of 65728898116 is 61189882756.

It is not an unprimeable number, because it can be changed into a prime (65728898111) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28440601 + ... + 28442911.

Almost surely, 2^65728898116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65728898116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69618324384).

65728898116 is an abundant number, since it is smaller than the sum of its proper divisors (73507750652).

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

65728898116 is a wasteful number, since it uses less digits than its factorization.

65728898116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542 (or 2502 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 61.

The spelling of 65728898116 in words is "sixty-five billion, seven hundred twenty-eight million, eight hundred ninety-eight thousand, one hundred sixteen".