164338453 has 8 divisors (see below), whose sum is σ = 167245496. Its totient is φ = 161438400.

The previous prime is 164338451. The next prime is 164338463. The reversal of 164338453 is 354833461.

It can be written as a sum of positive squares in 4 ways, for example, as 1954404 + 162384049 = 1398^2 + 12743^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 164338453 - 2¹ = 164338451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164338451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72883 + ... + 75103.

It is an arithmetic number, because the mean of its divisors is an integer number (20905687).

Almost surely, 2^164338453 is an apocalyptic number.

It is an amenable number.

164338453 is a deficient number, since it is larger than the sum of its proper divisors (2907043).

164338453 is a wasteful number, since it uses less digits than its factorization.

164338453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495.

The product of its digits is 103680, while the sum is 37.

The square root of 164338453 is about 12819.4560337013. The cubic root of 164338453 is about 547.7466517213.

The spelling of 164338453 in words is "one hundred sixty-four million, three hundred thirty-eight thousand, four hundred fifty-three".