64410446016 has 84 divisors (see below), whose sum is σ = 210995343312. Its totient is φ = 18402983424.

The previous prime is 64410445997. The next prime is 64410446029. The reversal of 64410446016 is 61064401446.

64410446016 is a `hidden beast` number, since 6 + 4 + 4 + 1 + 0 + 44 + 601 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-3 number, since 3×64410446016³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 7983375 + ... + 7991438.

Almost surely, 2^64410446016 is an apocalyptic number.

It is an amenable number.

64410446016 is an abundant number, since it is smaller than the sum of its proper divisors (146584897296).

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

64410446016 is a wasteful number, since it uses less digits than its factorization.

64410446016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15974838 (or 15974825 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 64410446016 in words is "sixty-four billion, four hundred ten million, four hundred forty-six thousand, sixteen".