64851448160 has 24 divisors (see below), whose sum is σ = 153211546656. Its totient is φ = 25940579200.

The previous prime is 64851448093. The next prime is 64851448201. The reversal of 64851448160 is 6184415846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202660616 + ... + 202660935.

It is an arithmetic number, because the mean of its divisors is an integer number (6383814444).

Almost surely, 2^64851448160 is an apocalyptic number.

It is an amenable number.

64851448160 is an abundant number, since it is smaller than the sum of its proper divisors (88360098496).

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

64851448160 is a wasteful number, since it uses less digits than its factorization.

64851448160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405321566 (or 405321558 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 64851448160 in words is "sixty-four billion, eight hundred fifty-one million, four hundred forty-eight thousand, one hundred sixty".