64104196918 has 16 divisors (see below), whose sum is σ = 98508992400. Its totient is φ = 31267984000.

The previous prime is 64104196903. The next prime is 64104196963. The reversal of 64104196918 is 81969140146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637133 + ... + 1675831.

It is an arithmetic number, because the mean of its divisors is an integer number (6156812025).

Almost surely, 2^64104196918 is an apocalyptic number.

64104196918 is a deficient number, since it is larger than the sum of its proper divisors (34404795482).

64104196918 is a wasteful number, since it uses less digits than its factorization.

64104196918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58943.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 64104196918 in words is "sixty-four billion, one hundred four million, one hundred ninety-six thousand, nine hundred eighteen".