164078788205 has 8 divisors (see below), whose sum is σ = 207257416800. Its totient is φ = 124354449936.

The previous prime is 164078788199. The next prime is 164078788213. The reversal of 164078788205 is 502887870461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164078788205 - 2¹⁰ = 164078787181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 863572475 + ... + 863572664.

It is an arithmetic number, because the mean of its divisors is an integer number (25907177100).

Almost surely, 2^164078788205 is an apocalyptic number.

It is an amenable number.

164078788205 is a deficient number, since it is larger than the sum of its proper divisors (43178628595).

164078788205 is a wasteful number, since it uses less digits than its factorization.

164078788205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727145163.

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 164078788205 in words is "one hundred sixty-four billion, seventy-eight million, seven hundred eighty-eight thousand, two hundred five".