164106755053978 has 64 divisors (see below), whose sum is σ = 277962666284160. Its totient is φ = 72016790630400.

The previous prime is 164106755053973. The next prime is 164106755053991. The reversal of 164106755053978 is 879350557601461.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (164106755053973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255713476 + ... + 256354432.

It is an arithmetic number, because the mean of its divisors is an integer number (4343166660690).

Almost surely, 2^{164106755053978} is an apocalyptic number.

164106755053978 is a deficient number, since it is larger than the sum of its proper divisors (113855911230182).

164106755053978 is a wasteful number, since it uses less digits than its factorization.

164106755053978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644143.

The product of its (nonzero) digits is 190512000, while the sum is 67.

The spelling of 164106755053978 in words is "one hundred sixty-four trillion, one hundred six billion, seven hundred fifty-five million, fifty-three thousand, nine hundred seventy-eight".