164249338 has 32 divisors (see below), whose sum is σ = 283875840. Its totient is φ = 70490160.

The previous prime is 164249329. The next prime is 164249339. The reversal of 164249338 is 833942461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 164249338.

It is not an unprimeable number, because it can be changed into a prime (164249339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184731 + ... + 185617.

It is an arithmetic number, because the mean of its divisors is an integer number (8871120).

Almost surely, 2^164249338 is an apocalyptic number.

164249338 is a deficient number, since it is larger than the sum of its proper divisors (119626502).

164249338 is a wasteful number, since it uses less digits than its factorization.

164249338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

The product of its digits is 124416, while the sum is 40.

The square root of 164249338 is about 12815.9797908705. The cubic root of 164249338 is about 547.6476258639.

The spelling of 164249338 in words is "one hundred sixty-four million, two hundred forty-nine thousand, three hundred thirty-eight".