164353443 has 8 divisors (see below), whose sum is σ = 219634368. Its totient is φ = 109320744.

The previous prime is 164353429. The next prime is 164353447. The reversal of 164353443 is 344353461.

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

It is not a de Polignac number, because 164353443 - 2⁸ = 164353187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164353447) 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, 60505 + ... + 63162.

It is an arithmetic number, because the mean of its divisors is an integer number (27454296).

Almost surely, 2^164353443 is an apocalyptic number.

164353443 is a deficient number, since it is larger than the sum of its proper divisors (55280925).

164353443 is a wasteful number, since it uses less digits than its factorization.

164353443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124113.

The product of its digits is 51840, while the sum is 33.

The square root of 164353443 is about 12820.0406785626. The cubic root of 164353443 is about 547.7633053053.

The spelling of 164353443 in words is "one hundred sixty-four million, three hundred fifty-three thousand, four hundred forty-three".