64544033106 has 192 divisors, whose sum is σ = 174974342400. Its totient is φ = 16777248768.

The previous prime is 64544033089. The next prime is 64544033111. The reversal of 64544033106 is 60133044546.

64544033106 is a `hidden beast` number, since 6 + 4 + 544 + 0 + 3 + 3 + 106 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13396810 + ... + 13401626.

It is an arithmetic number, because the mean of its divisors is an integer number (911324700).

Almost surely, 2^64544033106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64544033106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87487171200).

64544033106 is an abundant number, since it is smaller than the sum of its proper divisors (110430309294).

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

64544033106 is a wasteful number, since it uses less digits than its factorization.

64544033106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 64544033106 in words is "sixty-four billion, five hundred forty-four million, thirty-three thousand, one hundred six".