65123322606 has 48 divisors (see below), whose sum is σ = 146722595760. Its totient is φ = 20850600960.

The previous prime is 65123322587. The next prime is 65123322613. The reversal of 65123322606 is 60622332156.

65123322606 is a `hidden beast` number, since 6 + 5 + 1 + 23 + 3 + 22 + 606 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222460 + ... + 423951.

It is an arithmetic number, because the mean of its divisors is an integer number (3056720745).

Almost surely, 2^65123322606 is an apocalyptic number.

65123322606 is an abundant number, since it is smaller than the sum of its proper divisors (81599273154).

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

65123322606 is a wasteful number, since it uses less digits than its factorization.

65123322606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646641 (or 646638 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 65123322606 in words is "sixty-five billion, one hundred twenty-three million, three hundred twenty-two thousand, six hundred six".