64056665046 has 48 divisors (see below), whose sum is σ = 142065150192. Its totient is φ = 19239306240.

The previous prime is 64056665027. The next prime is 64056665069.

It is a happy number.

64056665046 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64056664986 and 64056665004.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 308371 + ... + 472446.

It is an arithmetic number, because the mean of its divisors is an integer number (2959690629).

Almost surely, 2^64056665046 is an apocalyptic number.

64056665046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64056665046 is an abundant number, since it is smaller than the sum of its proper divisors (78008485146).

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

64056665046 is a wasteful number, since it uses less digits than its factorization.

64056665046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780957 (or 780946 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 64056665046 in words is "sixty-four billion, fifty-six million, six hundred sixty-five thousand, forty-six".