164006506 has 8 divisors (see below), whose sum is σ = 248973984. Its totient is φ = 81015180.

The previous prime is 164006483. The next prime is 164006509. The reversal of 164006506 is 605600461.

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 (164006509) 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 3 ways as a sum of consecutive naturals, for example, 493830 + ... + 494161.

It is an arithmetic number, because the mean of its divisors is an integer number (31121748).

Almost surely, 2^164006506 is an apocalyptic number.

164006506 is a deficient number, since it is larger than the sum of its proper divisors (84967478).

164006506 is an equidigital number, since it uses as much as digits as its factorization.

164006506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988076.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 164006506 is about 12806.5024889702. The cubic root of 164006506 is about 547.3776055785.

Adding to 164006506 its reverse (605600461), we get a palindrome (769606967).

The spelling of 164006506 in words is "one hundred sixty-four million, six thousand, five hundred six".