164843355 has 16 divisors (see below), whose sum is σ = 263941920. Its totient is φ = 87852288.

The previous prime is 164843353. The next prime is 164843377. The reversal of 164843355 is 553348461.

It is not a de Polignac number, because 164843355 - 2¹ = 164843353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164843351) 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, 23161 + ... + 29429.

It is an arithmetic number, because the mean of its divisors is an integer number (16496370).

Almost surely, 2^164843355 is an apocalyptic number.

164843355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164843355 is a deficient number, since it is larger than the sum of its proper divisors (99098565).

164843355 is a wasteful number, since it uses less digits than its factorization.

164843355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8030.

The product of its digits is 172800, while the sum is 39.

The square root of 164843355 is about 12839.1337324603. The cubic root of 164843355 is about 548.3070310911.

The spelling of 164843355 in words is "one hundred sixty-four million, eight hundred forty-three thousand, three hundred fifty-five".