164222618903 has 8 divisors (see below), whose sum is σ = 187690272672. Its totient is φ = 140756785056.

The previous prime is 164222618891. The next prime is 164222618951. The reversal of 164222618903 is 309816222461.

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 164222618903 - 2¹⁰ = 164222617879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164222614903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255800 + ... + 627597.

It is an arithmetic number, because the mean of its divisors is an integer number (23461284084).

Almost surely, 2^164222618903 is an apocalyptic number.

164222618903 is a deficient number, since it is larger than the sum of its proper divisors (23467653769).

164222618903 is an equidigital number, since it uses as much as digits as its factorization.

164222618903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909961.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 164222618903 in words is "one hundred sixty-four billion, two hundred twenty-two million, six hundred eighteen thousand, nine hundred three".