64502575068 has 192 divisors, whose sum is σ = 166584320000. Its totient is φ = 19348243200.

The previous prime is 64502575063. The next prime is 64502575069. The reversal of 64502575068 is 86057520546.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64502575063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 184820958 + ... + 184821306.

Almost surely, 2^64502575068 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 64502575068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83292160000).

64502575068 is an abundant number, since it is smaller than the sum of its proper divisors (102081744932).

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

64502575068 is a wasteful number, since it uses less digits than its factorization.

64502575068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 64502575068 in words is "sixty-four billion, five hundred two million, five hundred seventy-five thousand, sixty-eight".