64766524320 has 960 divisors, whose sum is σ = 253474873344. Its totient is φ = 15519651840.

The previous prime is 64766524313. The next prime is 64766524349. The reversal of 64766524320 is 2342566746.

64766524320 is a `hidden beast` number, since 6 + 47 + 66 + 524 + 3 + 20 = 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 397340559 + ... + 397340721.

Almost surely, 2^64766524320 is an apocalyptic number.

64766524320 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 64766524320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126737436672).

64766524320 is an abundant number, since it is smaller than the sum of its proper divisors (188708349024).

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

64766524320 is a wasteful number, since it uses less digits than its factorization.

64766524320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 64766524320 in words is "sixty-four billion, seven hundred sixty-six million, five hundred twenty-four thousand, three hundred twenty".