65650834144 has 24 divisors (see below), whose sum is σ = 147714377328. Its totient is φ = 28136071680.

The previous prime is 65650834127. The next prime is 65650834169. The reversal of 65650834144 is 44143805656.

It is a junction number, because it is equal to n+sod(n) for n = 65650834094 and 65650834103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146541817 + ... + 146542264.

It is an arithmetic number, because the mean of its divisors is an integer number (6154765722).

Almost surely, 2^65650834144 is an apocalyptic number.

It is an amenable number.

65650834144 is an abundant number, since it is smaller than the sum of its proper divisors (82063543184).

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

65650834144 is a wasteful number, since it uses less digits than its factorization.

65650834144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293084098 (or 293084090 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 65650834144 in words is "sixty-five billion, six hundred fifty million, eight hundred thirty-four thousand, one hundred forty-four".