65013334560 has 240 divisors, whose sum is σ = 239419768896. Its totient is φ = 16583035392.

The previous prime is 65013334543. The next prime is 65013334577. The reversal of 65013334560 is 6543331056.

65013334560 is a `hidden beast` number, since 6 + 50 + 13 + 3 + 34 + 560 = 666.

It is an interprime number because it is at equal distance from previous prime (65013334543) and next prime (65013334577).

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×65013334560² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 189027 + ... + 407133.

Almost surely, 2^65013334560 is an apocalyptic number.

65013334560 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 65013334560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119709884448).

65013334560 is an abundant number, since it is smaller than the sum of its proper divisors (174406434336).

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

65013334560 is a wasteful number, since it uses less digits than its factorization.

65013334560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218157 (or 218140 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 65013334560 in words is "sixty-five billion, thirteen million, three hundred thirty-four thousand, five hundred sixty".