164366055443774 has 8 divisors (see below), whose sum is σ = 246932518755720. Its totient is φ = 82055215858536.

The previous prime is 164366055443749. The next prime is 164366055443791. The reversal of 164366055443774 is 477344550663461.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164366055443774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63905930069 + ... + 63905932640.

It is an arithmetic number, because the mean of its divisors is an integer number (30866564844465).

Almost surely, 2^{164366055443774} is an apocalyptic number.

164366055443774 is a deficient number, since it is larger than the sum of its proper divisors (82566463311946).

164366055443774 is a wasteful number, since it uses less digits than its factorization.

164366055443774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127811863354.

The product of its (nonzero) digits is 609638400, while the sum is 65.

The spelling of 164366055443774 in words is "one hundred sixty-four trillion, three hundred sixty-six billion, fifty-five million, four hundred forty-three thousand, seven hundred seventy-four".