64144410216 has 32 divisors (see below), whose sum is σ = 160690338240. Its totient is φ = 21337561728.

The previous prime is 64144410173. The next prime is 64144410241. The reversal of 64144410216 is 61201444146.

It is a super-2 number, since 2×64144410216² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 2732341 + ... + 2755716.

It is an arithmetic number, because the mean of its divisors is an integer number (5021573070).

Almost surely, 2^64144410216 is an apocalyptic number.

It is an amenable number.

64144410216 is an abundant number, since it is smaller than the sum of its proper divisors (96545928024).

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

64144410216 is a wasteful number, since it uses less digits than its factorization.

64144410216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488553 (or 5488549 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 64144410216 in words is "sixty-four billion, one hundred forty-four million, four hundred ten thousand, two hundred sixteen".