164222047857 has 32 divisors (see below), whose sum is σ = 253219405824. Its totient is φ = 92730960000.

The previous prime is 164222047849. The next prime is 164222047907. The reversal of 164222047857 is 758740222461.

164222047857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164222047857 - 2³ = 164222047849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164222045857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546757 + ... + 792077.

It is an arithmetic number, because the mean of its divisors is an integer number (7913106432).

Almost surely, 2^164222047857 is an apocalyptic number.

It is an amenable number.

164222047857 is a deficient number, since it is larger than the sum of its proper divisors (88997357967).

164222047857 is a wasteful number, since it uses less digits than its factorization.

164222047857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245709.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 164222047857 in words is "one hundred sixty-four billion, two hundred twenty-two million, forty-seven thousand, eight hundred fifty-seven".