164240446 has 8 divisors (see below), whose sum is σ = 259327080. Its totient is φ = 77798088.

The previous prime is 164240441. The next prime is 164240473. The reversal of 164240446 is 644042461.

164240446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164240441) 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, 2161021 + ... + 2161096.

It is an arithmetic number, because the mean of its divisors is an integer number (32415885).

Almost surely, 2^164240446 is an apocalyptic number.

164240446 is a deficient number, since it is larger than the sum of its proper divisors (95086634).

164240446 is a wasteful number, since it uses less digits than its factorization.

164240446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322138.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 164240446 is about 12815.6328755157. The cubic root of 164240446 is about 547.6377429818.

The spelling of 164240446 in words is "one hundred sixty-four million, two hundred forty thousand, four hundred forty-six".