64163230244 has 6 divisors (see below), whose sum is σ = 112285652934. Its totient is φ = 32081615120.

The previous prime is 64163230211. The next prime is 64163230253. The reversal of 64163230244 is 44203236146.

It can be written as a sum of positive squares in only one way, i.e., 51387449344 + 12775780900 = 226688^2 + 113030^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8020403777 + ... + 8020403784.

It is an arithmetic number, because the mean of its divisors is an integer number (18714275489).

Almost surely, 2^64163230244 is an apocalyptic number.

It is an amenable number.

64163230244 is a deficient number, since it is larger than the sum of its proper divisors (48122422690).

64163230244 is a wasteful number, since it uses less digits than its factorization.

64163230244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16040807565 (or 16040807563 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 64163230244 in words is "sixty-four billion, one hundred sixty-three million, two hundred thirty thousand, two hundred forty-four".