64465321206560 has 96 divisors (see below), whose sum is σ = 152373449168640. Its totient is φ = 25773581104128.

The previous prime is 64465321206529. The next prime is 64465321206563. The reversal of 64465321206560 is 6560212356446.

It is a junction number, because it is equal to n+sod(n) for n = 64465321206499 and 64465321206508.

It is not an unprimeable number, because it can be changed into a prime (64465321206563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4302556829 + ... + 4302571811.

It is an arithmetic number, because the mean of its divisors is an integer number (1587223428840).

Almost surely, 2^{64465321206560} is an apocalyptic number.

It is an amenable number.

64465321206560 is an abundant number, since it is smaller than the sum of its proper divisors (87908127962080).

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

64465321206560 is a wasteful number, since it uses less digits than its factorization.

64465321206560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26290 (or 26282 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 64465321206560 in words is "sixty-four trillion, four hundred sixty-five billion, three hundred twenty-one million, two hundred six thousand, five hundred sixty".