164367447 has 16 divisors (see below), whose sum is σ = 227072640. Its totient is φ = 105632352.

The previous prime is 164367439. The next prime is 164367481. The reversal of 164367447 is 744763461.

It is not a de Polignac number, because 164367447 - 2³ = 164367439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164367399 and 164367408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164367947) 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 15 ways as a sum of consecutive naturals, for example, 77868 + ... + 79950.

It is an arithmetic number, because the mean of its divisors is an integer number (14192040).

Almost surely, 2^164367447 is an apocalyptic number.

164367447 is a deficient number, since it is larger than the sum of its proper divisors (62705193).

164367447 is a wasteful number, since it uses less digits than its factorization.

164367447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022.

The product of its digits is 338688, while the sum is 42.

The square root of 164367447 is about 12820.5868430427. The cubic root of 164367447 is about 547.7788625485.

The spelling of 164367447 in words is "one hundred sixty-four million, three hundred sixty-seven thousand, four hundred forty-seven".