64184768222768 has 10 divisors (see below), whose sum is σ = 124357988431644. Its totient is φ = 32092384111376.

The previous prime is 64184768222737. The next prime is 64184768222777. The reversal of 64184768222768 is 86722286748146.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005774006946 + ... + 2005774006977.

Almost surely, 2^{64184768222768} is an apocalyptic number.

It is an amenable number.

64184768222768 is a deficient number, since it is larger than the sum of its proper divisors (60173220208876).

64184768222768 is a wasteful number, since it uses less digits than its factorization.

64184768222768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011548013931 (or 4011548013925 counting only the distinct ones).

The product of its digits is 693633024, while the sum is 71.

The spelling of 64184768222768 in words is "sixty-four trillion, one hundred eighty-four billion, seven hundred sixty-eight million, two hundred twenty-two thousand, seven hundred sixty-eight".