164285522 has 8 divisors (see below), whose sum is σ = 254925900. Its totient is φ = 79310224.

The previous prime is 164285519. The next prime is 164285543. The reversal of 164285522 is 225582461.

It can be written as a sum of positive squares in 2 ways, for example, as 162843121 + 1442401 = 12761^2 + 1201^2 .

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

It is an unprimeable number.

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, 1416197 + ... + 1416312.

Almost surely, 2^164285522 is an apocalyptic number.

164285522 is a deficient number, since it is larger than the sum of its proper divisors (90640378).

164285522 is a wasteful number, since it uses less digits than its factorization.

164285522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832540.

The product of its digits is 38400, while the sum is 35.

The square root of 164285522 is about 12817.3913882662. The cubic root of 164285522 is about 547.6878383583.

The spelling of 164285522 in words is "one hundred sixty-four million, two hundred eighty-five thousand, five hundred twenty-two".