164660226 has 8 divisors (see below), whose sum is σ = 329320464. Its totient is φ = 54886740.

The previous prime is 164660219. The next prime is 164660227. The reversal of 164660226 is 622066461.

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

164660226 is an admirable number.

It is a super-2 number, since 2×164660226² = 54225980052742152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164660227) 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, 13721680 + ... + 13721691.

It is an arithmetic number, because the mean of its divisors is an integer number (41165058).

Almost surely, 2^164660226 is an apocalyptic number.

164660226 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.

164660226 is a wasteful number, since it uses less digits than its factorization.

164660226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27443376.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 164660226 is about 12832.0000779302. Note that the first 4 decimals coincide. The cubic root of 164660226 is about 548.1039127542.

The spelling of 164660226 in words is "one hundred sixty-four million, six hundred sixty thousand, two hundred twenty-six".