164729214 has 64 divisors (see below), whose sum is σ = 399228480. Its totient is φ = 50668416.

The previous prime is 164729209. The next prime is 164729231. The reversal of 164729214 is 412927461.

It is a happy number.

164729214 is a `hidden beast` number, since 1 + 647 + 2 + 9 + 2 + 1 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55414 + ... + 58310.

It is an arithmetic number, because the mean of its divisors is an integer number (6237945).

Almost surely, 2^164729214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164729214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199614240).

164729214 is an abundant number, since it is smaller than the sum of its proper divisors (234499266).

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

164729214 is an equidigital number, since it uses as much as digits as its factorization.

164729214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933 (or 2915 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 164729214 is about 12834.6879198522. The cubic root of 164729214 is about 548.1804487703.

The spelling of 164729214 in words is "one hundred sixty-four million, seven hundred twenty-nine thousand, two hundred fourteen".