164188628 has 12 divisors (see below), whose sum is σ = 299822880. Its totient is φ = 78524952.

The previous prime is 164188621. The next prime is 164188667. The reversal of 164188628 is 826881461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164188621) 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, 892238 + ... + 892421.

It is an arithmetic number, because the mean of its divisors is an integer number (24985240).

Almost surely, 2^164188628 is an apocalyptic number.

It is an amenable number.

164188628 is a deficient number, since it is larger than the sum of its proper divisors (135634252).

164188628 is a wasteful number, since it uses less digits than its factorization.

164188628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784686 (or 1784684 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 164188628 is about 12813.6110445104. The cubic root of 164188628 is about 547.5801435330.

The spelling of 164188628 in words is "one hundred sixty-four million, one hundred eighty-eight thousand, six hundred twenty-eight".