164245373 has 4 divisors (see below), whose sum is σ = 165152988. Its totient is φ = 163337760.

The previous prime is 164245349. The next prime is 164245379. The reversal of 164245373 is 373542461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 373542461 = 397 ⋅940913.

It can be written as a sum of positive squares in 2 ways, for example, as 56957209 + 107288164 = 7547^2 + 10358^2 .

It is a cyclic number.

It is not a de Polignac number, because 164245373 - 2⁶ = 164245309 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 (164245379) 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 3 ways as a sum of consecutive naturals, for example, 453536 + ... + 453897.

It is an arithmetic number, because the mean of its divisors is an integer number (41288247).

Almost surely, 2^164245373 is an apocalyptic number.

It is an amenable number.

164245373 is a deficient number, since it is larger than the sum of its proper divisors (907615).

164245373 is an equidigital number, since it uses as much as digits as its factorization.

164245373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907614.

The product of its digits is 60480, while the sum is 35.

The square root of 164245373 is about 12815.8251002423. The cubic root of 164245373 is about 547.6432190673.

The spelling of 164245373 in words is "one hundred sixty-four million, two hundred forty-five thousand, three hundred seventy-three".