164215066 has 8 divisors (see below), whose sum is σ = 246462624. Its totient is φ = 82060860.

The previous prime is 164215061. The next prime is 164215097. The reversal of 164215066 is 660512461.

164215066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (164215061) 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, 18760 + ... + 26083.

It is an arithmetic number, because the mean of its divisors is an integer number (30807828).

Almost surely, 2^164215066 is an apocalyptic number.

164215066 is a deficient number, since it is larger than the sum of its proper divisors (82247558).

164215066 is a wasteful number, since it uses less digits than its factorization.

164215066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46676.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 164215066 is about 12814.6426403548. The cubic root of 164215066 is about 547.6095327931.

The spelling of 164215066 in words is "one hundred sixty-four million, two hundred fifteen thousand, sixty-six".