164911338 has 24 divisors (see below), whose sum is σ = 359506368. Its totient is φ = 54632232.

The previous prime is 164911337. The next prime is 164911361. The reversal of 164911338 is 833119461.

164911338 is a `hidden beast` number, since 1 + 649 + 1 + 1 + 3 + 3 + 8 = 666.

164911338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164911333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25170 + ... + 31037.

It is an arithmetic number, because the mean of its divisors is an integer number (14979432).

Almost surely, 2^164911338 is an apocalyptic number.

164911338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

164911338 is an abundant number, since it is smaller than the sum of its proper divisors (194595030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164911338 is a wasteful number, since it uses less digits than its factorization.

164911338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56378 (or 56375 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 164911338 is about 12841.7809512544. The cubic root of 164911338 is about 548.3823964459.

The spelling of 164911338 in words is "one hundred sixty-four million, nine hundred eleven thousand, three hundred thirty-eight".