164612147 has 4 divisors (see below), whose sum is σ = 188128176. Its totient is φ = 141096120.

The previous prime is 164612141. The next prime is 164612179. The reversal of 164612147 is 741216461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164612147 - 2¹⁴ = 164595763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164612141) 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, 11758004 + ... + 11758017.

It is an arithmetic number, because the mean of its divisors is an integer number (47032044).

Almost surely, 2^164612147 is an apocalyptic number.

164612147 is a deficient number, since it is larger than the sum of its proper divisors (23516029).

164612147 is an equidigital number, since it uses as much as digits as its factorization.

164612147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23516028.

The product of its digits is 8064, while the sum is 32.

The square root of 164612147 is about 12830.1265387369. The cubic root of 164612147 is about 548.0505607619.

The spelling of 164612147 in words is "one hundred sixty-four million, six hundred twelve thousand, one hundred forty-seven".