164400346 has 16 divisors (see below), whose sum is σ = 269742240. Its totient is φ = 74526480.

The previous prime is 164400323. The next prime is 164400359. The reversal of 164400346 is 643004461.

It is a happy number.

164400346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1521 + ... + 18196.

It is an arithmetic number, because the mean of its divisors is an integer number (16858890).

Almost surely, 2^164400346 is an apocalyptic number.

164400346 is a deficient number, since it is larger than the sum of its proper divisors (105341894).

164400346 is a wasteful number, since it uses less digits than its factorization.

164400346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20109.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 164400346 is about 12821.8698324386. The cubic root of 164400346 is about 547.8154070405.

The spelling of 164400346 in words is "one hundred sixty-four million, four hundred thousand, three hundred forty-six".