65271548160 has 1728 divisors, whose sum is σ = 305344166400. Its totient is φ = 12485394432.

The previous prime is 65271548113. The next prime is 65271548201. The reversal of 65271548160 is 6184517256.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 577624264 + ... + 577624376.

It is an arithmetic number, because the mean of its divisors is an integer number (176703800).

Almost surely, 2^65271548160 is an apocalyptic number.

65271548160 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 65271548160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152672083200).

65271548160 is an abundant number, since it is smaller than the sum of its proper divisors (240072618240).

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

65271548160 is a wasteful number, since it uses less digits than its factorization.

65271548160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 65271548160 in words is "sixty-five billion, two hundred seventy-one million, five hundred forty-eight thousand, one hundred sixty".