164412447 has 8 divisors (see below), whose sum is σ = 219359280. Its totient is φ = 109536960.

The previous prime is 164412431. The next prime is 164412449. The reversal of 164412447 is 744214461.

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

It is not a de Polignac number, because 164412447 - 2⁴ = 164412431 is a prime.

It is a super-3 number, since 3×164412447³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164412449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12204 + ... + 21857.

It is an arithmetic number, because the mean of its divisors is an integer number (27419910).

Almost surely, 2^164412447 is an apocalyptic number.

164412447 is a deficient number, since it is larger than the sum of its proper divisors (54946833).

164412447 is a wasteful number, since it uses less digits than its factorization.

164412447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35673.

The product of its digits is 21504, while the sum is 33.

The square root of 164412447 is about 12822.3417128074. The cubic root of 164412447 is about 547.8288477089.

The spelling of 164412447 in words is "one hundred sixty-four million, four hundred twelve thousand, four hundred forty-seven".