65223618768 has 160 divisors (see below), whose sum is σ = 233412203520. Its totient is φ = 16941191040.

The previous prime is 65223618767. The next prime is 65223618827. The reversal of 65223618768 is 86781632256.

65223618768 is a `hidden beast` number, since 6 + 522 + 36 + 1 + 87 + 6 + 8 = 666.

65223618768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65223618763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947130 + ... + 1013657.

It is an arithmetic number, because the mean of its divisors is an integer number (1458826272).

Almost surely, 2^65223618768 is an apocalyptic number.

It is an amenable number.

65223618768 is an abundant number, since it is smaller than the sum of its proper divisors (168188584752).

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

65223618768 is a wasteful number, since it uses less digits than its factorization.

65223618768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960822 (or 1960810 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 65223618768 in words is "sixty-five billion, two hundred twenty-three million, six hundred eighteen thousand, seven hundred sixty-eight".