164002443 has 32 divisors (see below), whose sum is σ = 250560000. Its totient is φ = 94448640.

The previous prime is 164002427. The next prime is 164002469. The reversal of 164002443 is 344200461.

It is not a de Polignac number, because 164002443 - 2⁴ = 164002427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164002483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130683 + ... + 131931.

It is an arithmetic number, because the mean of its divisors is an integer number (7830000).

Almost surely, 2^164002443 is an apocalyptic number.

164002443 is a deficient number, since it is larger than the sum of its proper divisors (86557557).

164002443 is a wasteful number, since it uses less digits than its factorization.

164002443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 164002443 is about 12806.3438576356. The cubic root of 164002443 is about 547.3730854050.

The spelling of 164002443 in words is "one hundred sixty-four million, two thousand, four hundred forty-three".