164052663605 has 16 divisors (see below), whose sum is σ = 200210849280. Its totient is φ = 129024624768.

The previous prime is 164052663587. The next prime is 164052663641. The reversal of 164052663605 is 506366250461.

It is a cyclic number.

It is not a de Polignac number, because 164052663605 - 2¹⁰ = 164052662581 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 799217 + ... + 983286.

It is an arithmetic number, because the mean of its divisors is an integer number (12513178080).

Almost surely, 2^164052663605 is an apocalyptic number.

It is an amenable number.

164052663605 is a deficient number, since it is larger than the sum of its proper divisors (36158185675).

164052663605 is a wasteful number, since it uses less digits than its factorization.

164052663605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782820.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 164052663605 in words is "one hundred sixty-four billion, fifty-two million, six hundred sixty-three thousand, six hundred five".