164543039 has 8 divisors (see below), whose sum is σ = 167288160. Its totient is φ = 161820000.

The previous prime is 164543023. The next prime is 164543077. The reversal of 164543039 is 930345461.

It is a happy number.

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 164543039 - 2⁴ = 164543023 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 (164542039) 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, 9857 + ... + 20645.

It is an arithmetic number, because the mean of its divisors is an integer number (20911020).

Almost surely, 2^164543039 is an apocalyptic number.

164543039 is a deficient number, since it is larger than the sum of its proper divisors (2745121).

164543039 is a wasteful number, since it uses less digits than its factorization.

164543039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 164543039 is about 12827.4330635556. The cubic root of 164543039 is about 547.9738552448.

The spelling of 164543039 in words is "one hundred sixty-four million, five hundred forty-three thousand, thirty-nine".