164772338 has 8 divisors (see below), whose sum is σ = 247238832. Its totient is φ = 82359396.

The previous prime is 164772337. The next prime is 164772367. The reversal of 164772338 is 833277461.

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

It is a junction number, because it is equal to n+sod(n) for n = 164772295 and 164772304.

It is not an unprimeable number, because it can be changed into a prime (164772337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4520 + ... + 18707.

It is an arithmetic number, because the mean of its divisors is an integer number (30904854).

Almost surely, 2^164772338 is an apocalyptic number.

164772338 is a deficient number, since it is larger than the sum of its proper divisors (82466494).

164772338 is a wasteful number, since it uses less digits than its factorization.

164772338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26776.

The product of its digits is 169344, while the sum is 41.

The square root of 164772338 is about 12836.3677884361. The cubic root of 164772338 is about 548.2282801386.

The spelling of 164772338 in words is "one hundred sixty-four million, seven hundred seventy-two thousand, three hundred thirty-eight".