65256602223060 has 288 divisors, whose sum is σ = 220680663840000. Its totient is φ = 15511843491840.

The previous prime is 65256602223047. The next prime is 65256602223121. The reversal of 65256602223060 is 6032220665256.

It is a happy number.

65256602223060 is a `hidden beast` number, since 6 + 5 + 2 + 5 + 6 + 602 + 2 + 2 + 30 + 6 + 0 = 666.

65256602223060 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 (45).

It is a junction number, because it is equal to n+sod(n) for n = 65256602222997 and 65256602223015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 213279066 + ... + 213584814.

It is an arithmetic number, because the mean of its divisors is an integer number (766252305000).

Almost surely, 2^{65256602223060} is an apocalyptic number.

65256602223060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65256602223060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110340331920000).

65256602223060 is an abundant number, since it is smaller than the sum of its proper divisors (155424061616940).

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

65256602223060 is a wasteful number, since it uses less digits than its factorization.

65256602223060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309471 (or 309466 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 65256602223060 in words is "sixty-five trillion, two hundred fifty-six billion, six hundred two million, two hundred twenty-three thousand, sixty".