65803274347680 has 1152 divisors, whose sum is σ = 250296346460160. Its totient is φ = 15686216663040.

The previous prime is 65803274347661. The next prime is 65803274347693. The reversal of 65803274347680 is 8674347230856.

65803274347680 is a `hidden beast` number, since 6 + 5 + 80 + 3 + 2 + 7 + 4 + 3 + 476 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3929249067 + ... + 3929265813.

It is an arithmetic number, because the mean of its divisors is an integer number (217271134080).

Almost surely, 2^{65803274347680} is an apocalyptic number.

65803274347680 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 65803274347680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125148173230080).

65803274347680 is an abundant number, since it is smaller than the sum of its proper divisors (184493072112480).

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

65803274347680 is a wasteful number, since it uses less digits than its factorization.

65803274347680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16954 (or 16943 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 63.

The spelling of 65803274347680 in words is "sixty-five trillion, eight hundred three billion, two hundred seventy-four million, three hundred forty-seven thousand, six hundred eighty".