65358982080 has 448 divisors, whose sum is σ = 269129134080. Its totient is φ = 14620704768.

The previous prime is 65358982027. The next prime is 65358982081. The reversal of 65358982080 is 8028985356.

65358982080 is a `hidden beast` number, since 6 + 53 + 589 + 8 + 2 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×65358982080² (a number of 22 digits) contains 22 as substring.

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 (65358982081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2831064 + ... + 2854056.

Almost surely, 2^65358982080 is an apocalyptic number.

65358982080 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 65358982080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134564567040).

65358982080 is an abundant number, since it is smaller than the sum of its proper divisors (203770152000).

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

65358982080 is a wasteful number, since it uses less digits than its factorization.

65358982080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23073 (or 23057 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 65358982080 in words is "sixty-five billion, three hundred fifty-eight million, nine hundred eighty-two thousand, eighty".