164224446 has 8 divisors (see below), whose sum is σ = 328448904. Its totient is φ = 54741480.

The previous prime is 164224441. The next prime is 164224493. The reversal of 164224446 is 644422461.

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

164224446 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164224441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13685365 + ... + 13685376.

It is an arithmetic number, because the mean of its divisors is an integer number (41056113).

Almost surely, 2^164224446 is an apocalyptic number.

164224446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164224446 is a wasteful number, since it uses less digits than its factorization.

164224446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27370746.

The product of its digits is 36864, while the sum is 33.

The square root of 164224446 is about 12815.0086227049. The cubic root of 164224446 is about 547.6199591194.

The spelling of 164224446 in words is "one hundred sixty-four million, two hundred twenty-four thousand, four hundred forty-six".