164527647 has 8 divisors (see below), whose sum is σ = 219447600. Its totient is φ = 109646400.

The previous prime is 164527609. The next prime is 164527709. The reversal of 164527647 is 746725461.

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

It is not a de Polignac number, because 164527647 - 2¹⁰ = 164526623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164527599 and 164527608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164527247) 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, 2397 + ... + 18297.

It is an arithmetic number, because the mean of its divisors is an integer number (27430950).

Almost surely, 2^164527647 is an apocalyptic number.

164527647 is a deficient number, since it is larger than the sum of its proper divisors (54919953).

164527647 is a wasteful number, since it uses less digits than its factorization.

164527647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19353.

The product of its digits is 282240, while the sum is 42.

The square root of 164527647 is about 12826.8330853722. The cubic root of 164527647 is about 547.9567681721.

It can be divided in two parts, 1645 and 27647, that added together give a palindrome (29292).

The spelling of 164527647 in words is "one hundred sixty-four million, five hundred twenty-seven thousand, six hundred forty-seven".