64527471360 has 432 divisors, whose sum is σ = 245882407680. Its totient is φ = 15493570560.

The previous prime is 64527471347. The next prime is 64527471383. The reversal of 64527471360 is 6317472546.

64527471360 is a `hidden beast` number, since 6 + 452 + 74 + 71 + 3 + 60 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 13556661 + ... + 13561419.

It is an arithmetic number, because the mean of its divisors is an integer number (569172240).

Almost surely, 2^64527471360 is an apocalyptic number.

64527471360 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 64527471360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122941203840).

64527471360 is an abundant number, since it is smaller than the sum of its proper divisors (181354936320).

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

64527471360 is a wasteful number, since it uses less digits than its factorization.

64527471360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4904 (or 4887 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 64527471360 in words is "sixty-four billion, five hundred twenty-seven million, four hundred seventy-one thousand, three hundred sixty".