64652260064 has 24 divisors (see below), whose sum is σ = 145467585648. Its totient is φ = 27708111360.

The previous prime is 64652260061. The next prime is 64652260103. The reversal of 64652260064 is 46006225646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64652260061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 144312857 + ... + 144313304.

It is an arithmetic number, because the mean of its divisors is an integer number (6061149402).

Almost surely, 2^64652260064 is an apocalyptic number.

It is an amenable number.

64652260064 is an abundant number, since it is smaller than the sum of its proper divisors (80815325584).

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

64652260064 is a wasteful number, since it uses less digits than its factorization.

64652260064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288626178 (or 288626170 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 64652260064 in words is "sixty-four billion, six hundred fifty-two million, two hundred sixty thousand, sixty-four".