164150446 has 4 divisors (see below), whose sum is σ = 246225672. Its totient is φ = 82075222.

The previous prime is 164150431. The next prime is 164150473. The reversal of 164150446 is 644051461.

164150446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41037610 + ... + 41037613.

It is an arithmetic number, because the mean of its divisors is an integer number (61556418).

Almost surely, 2^164150446 is an apocalyptic number.

164150446 is a deficient number, since it is larger than the sum of its proper divisors (82075226).

164150446 is an equidigital number, since it uses as much as digits as its factorization.

164150446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82075225.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 164150446 is about 12812.1210578108. The cubic root of 164150446 is about 547.5376937275.

The spelling of 164150446 in words is "one hundred sixty-four million, one hundred fifty thousand, four hundred forty-six".