65482867591680 has 640 divisors, whose sum is σ = 263580360062976. Its totient is φ = 13472096256000.

The previous prime is 65482867591621. The next prime is 65482867591681. The reversal of 65482867591680 is 8619576828456.

It is a tau number, because it is divible by the number of its divisors (640).

It is not an unprimeable number, because it can be changed into a prime (65482867591681) 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, 59179179 + ... + 60275541.

Almost surely, 2^{65482867591680} is an apocalyptic number.

65482867591680 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 65482867591680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131790180031488).

65482867591680 is an abundant number, since it is smaller than the sum of its proper divisors (198097492471296).

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

65482867591680 is a wasteful number, since it uses less digits than its factorization.

65482867591680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096508 (or 1096492 counting only the distinct ones).

The product of its (nonzero) digits is 1393459200, while the sum is 75.

The spelling of 65482867591680 in words is "sixty-five trillion, four hundred eighty-two billion, eight hundred sixty-seven million, five hundred ninety-one thousand, six hundred eighty".