65628547116 has 48 divisors (see below), whose sum is σ = 174317730048. Its totient is φ = 19022766400.

The previous prime is 65628547097. The next prime is 65628547157. The reversal of 65628547116 is 61174582656.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10805355 + ... + 10811426.

It is an arithmetic number, because the mean of its divisors is an integer number (3631619376).

Almost surely, 2^65628547116 is an apocalyptic number.

65628547116 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65628547116 is an abundant number, since it is smaller than the sum of its proper divisors (108689182932).

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

65628547116 is a wasteful number, since it uses less digits than its factorization.

65628547116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21616822 (or 21616820 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The spelling of 65628547116 in words is "sixty-five billion, six hundred twenty-eight million, five hundred forty-seven thousand, one hundred sixteen".