64580764416 has 288 divisors, whose sum is σ = 203778624000. Its totient is φ = 18144645120.

The previous prime is 64580764387. The next prime is 64580764459. The reversal of 64580764416 is 61446708546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16066855 + ... + 16070873.

Almost surely, 2^64580764416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64580764416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101889312000).

64580764416 is an abundant number, since it is smaller than the sum of its proper divisors (139197859584).

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

64580764416 is an equidigital number, since it uses as much as digits as its factorization.

64580764416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120 (or 4092 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 64580764416 in words is "sixty-four billion, five hundred eighty million, seven hundred sixty-four thousand, four hundred sixteen".