164215064 has 32 divisors (see below), whose sum is σ = 334225920. Its totient is φ = 75188736.

The previous prime is 164215061. The next prime is 164215097. The reversal of 164215064 is 460512461.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164215061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6992 + ... + 19424.

It is an arithmetic number, because the mean of its divisors is an integer number (10444560).

Almost surely, 2^164215064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164215064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167112960).

164215064 is an abundant number, since it is smaller than the sum of its proper divisors (170010856).

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

164215064 is a wasteful number, since it uses less digits than its factorization.

164215064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12579 (or 12575 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 164215064 is about 12814.6425623191. The cubic root of 164215064 is about 547.6095305699.

The spelling of 164215064 in words is "one hundred sixty-four million, two hundred fifteen thousand, sixty-four".