65384156160 has 528 divisors, whose sum is σ = 232793028000. Its totient is φ = 16964124672.

The previous prime is 65384156141. The next prime is 65384156171. The reversal of 65384156160 is 6165148356.

65384156160 is a `hidden beast` number, since 6 + 5 + 3 + 84 + 1 + 561 + 6 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 438819766 + ... + 438819914.

Almost surely, 2^65384156160 is an apocalyptic number.

65384156160 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 65384156160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116396514000).

65384156160 is an abundant number, since it is smaller than the sum of its proper divisors (167408871840).

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

65384156160 is a wasteful number, since it uses less digits than its factorization.

65384156160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 65384156160 in words is "sixty-five billion, three hundred eighty-four million, one hundred fifty-six thousand, one hundred sixty".