164546516078 has 16 divisors (see below), whose sum is σ = 282102968544. Its totient is φ = 70514128800.

The previous prime is 164546516023. The next prime is 164546516081. The reversal of 164546516078 is 870615645461.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 305525 + ... + 649952.

It is an arithmetic number, because the mean of its divisors is an integer number (17631435534).

Almost surely, 2^164546516078 is an apocalyptic number.

164546516078 is a deficient number, since it is larger than the sum of its proper divisors (117556452466).

164546516078 is a wasteful number, since it uses less digits than its factorization.

164546516078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967787.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 164546516078 in words is "one hundred sixty-four billion, five hundred forty-six million, five hundred sixteen thousand, seventy-eight".