164231338 has 16 divisors (see below), whose sum is σ = 254273760. Its totient is φ = 79515216.

The previous prime is 164231329. The next prime is 164231341. The reversal of 164231338 is 833132461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2481 + ... + 18292.

It is an arithmetic number, because the mean of its divisors is an integer number (15892110).

Almost surely, 2^164231338 is an apocalyptic number.

164231338 is a deficient number, since it is larger than the sum of its proper divisors (90042422).

164231338 is a wasteful number, since it uses less digits than its factorization.

164231338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20901.

The product of its digits is 10368, while the sum is 31.

The square root of 164231338 is about 12815.2775233313. The cubic root of 164231338 is about 547.6276196597.

Adding to 164231338 its reverse (833132461), we get a palindrome (997363799).

The spelling of 164231338 in words is "one hundred sixty-four million, two hundred thirty-one thousand, three hundred thirty-eight".