65821516650150 has 48 divisors (see below), whose sum is σ = 168503082636288. Its totient is φ = 16986197844000.

The previous prime is 65821516650121. The next prime is 65821516650151. The reversal of 65821516650150 is 5105661512856.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65821516650093 and 65821516650102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65821516650151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7077577786 + ... + 7077587085.

It is an arithmetic number, because the mean of its divisors is an integer number (3510480888256).

Almost surely, 2^{65821516650150} is an apocalyptic number.

65821516650150 is an abundant number, since it is smaller than the sum of its proper divisors (102681565986138).

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

65821516650150 is a wasteful number, since it uses less digits than its factorization.

65821516650150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14155164917 (or 14155164912 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 51.

The spelling of 65821516650150 in words is "sixty-five trillion, eight hundred twenty-one billion, five hundred sixteen million, six hundred fifty thousand, one hundred fifty".