164573043 has 4 divisors (see below), whose sum is σ = 219430728. Its totient is φ = 109715360.

The previous prime is 164573029. The next prime is 164573051. The reversal of 164573043 is 340375461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164573043 - 2⁶ = 164572979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164572995 and 164573013.

It is not an unprimeable number, because it can be changed into a prime (164573023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27428838 + ... + 27428843.

It is an arithmetic number, because the mean of its divisors is an integer number (54857682).

Almost surely, 2^164573043 is an apocalyptic number.

164573043 is a deficient number, since it is larger than the sum of its proper divisors (54857685).

164573043 is an equidigital number, since it uses as much as digits as its factorization.

164573043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54857684.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 164573043 is about 12828.6025349607. The cubic root of 164573043 is about 548.0071604282.

The spelling of 164573043 in words is "one hundred sixty-four million, five hundred seventy-three thousand, forty-three".