64652053320 has 384 divisors, whose sum is σ = 232926969600. Its totient is φ = 15469166592.

The previous prime is 64652053253. The next prime is 64652053327. The reversal of 64652053320 is 2335025646.

64652053320 is a `hidden beast` number, since 64 + 6 + 520 + 53 + 3 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (64652053327) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57570279 + ... + 57571401.

It is an arithmetic number, because the mean of its divisors is an integer number (606580650).

Almost surely, 2^64652053320 is an apocalyptic number.

64652053320 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 64652053320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116463484800).

64652053320 is an abundant number, since it is smaller than the sum of its proper divisors (168274916280).

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

64652053320 is a wasteful number, since it uses less digits than its factorization.

64652053320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 64652053320 its reverse (2335025646), we get a palindrome (66987078966).

The spelling of 64652053320 in words is "sixty-four billion, six hundred fifty-two million, fifty-three thousand, three hundred twenty".