164724244212 has 24 divisors (see below), whose sum is σ = 419298076512. Its totient is φ = 49916437600.

The previous prime is 164724244133. The next prime is 164724244229. The reversal of 164724244212 is 212442427461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623955339 + ... + 623955602.

It is an arithmetic number, because the mean of its divisors is an integer number (17470753188).

Almost surely, 2^164724244212 is an apocalyptic number.

164724244212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164724244212 is an abundant number, since it is smaller than the sum of its proper divisors (254573832300).

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

164724244212 is a wasteful number, since it uses less digits than its factorization.

164724244212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247910959 (or 1247910957 counting only the distinct ones).

The product of its digits is 172032, while the sum is 39.

The spelling of 164724244212 in words is "one hundred sixty-four billion, seven hundred twenty-four million, two hundred forty-four thousand, two hundred twelve".