164243622 has 16 divisors (see below), whose sum is σ = 336499632. Its totient is φ = 53412480.

The previous prime is 164243591. The next prime is 164243623. The reversal of 164243622 is 226342461.

It is a self number, because there is not a number n which added to its sum of digits gives 164243622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164243623) 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, 333583 + ... + 334074.

It is an arithmetic number, because the mean of its divisors is an integer number (21031227).

Almost surely, 2^164243622 is an apocalyptic number.

164243622 is an abundant number, since it is smaller than the sum of its proper divisors (172256010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164243622 is a wasteful number, since it uses less digits than its factorization.

164243622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667703.

The product of its digits is 13824, while the sum is 30.

The square root of 164243622 is about 12815.7567860817. The cubic root of 164243622 is about 547.6412729410.

The spelling of 164243622 in words is "one hundred sixty-four million, two hundred forty-three thousand, six hundred twenty-two".