65041067520 has 960 divisors, whose sum is σ = 278832153600. Its totient is φ = 13775339520.

The previous prime is 65041067461. The next prime is 65041067521. The reversal of 65041067520 is 2576014056.

It is a happy number.

65041067520 is a `hidden beast` number, since 65 + 0 + 4 + 10 + 67 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65041067521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62599161 + ... + 62600199.

It is an arithmetic number, because the mean of its divisors is an integer number (290450160).

Almost surely, 2^65041067520 is an apocalyptic number.

65041067520 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 65041067520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139416076800).

65041067520 is an abundant number, since it is smaller than the sum of its proper divisors (213791086080).

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

65041067520 is a wasteful number, since it uses less digits than its factorization.

65041067520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 65041067520 in words is "sixty-five billion, forty-one million, sixty-seven thousand, five hundred twenty".