164105146 has 4 divisors (see below), whose sum is σ = 246157722. Its totient is φ = 82052572.

The previous prime is 164105129. The next prime is 164105197. The reversal of 164105146 is 641501461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 641501461 = 2459 ⋅260879.

It can be written as a sum of positive squares in only one way, i.e., 160149025 + 3956121 = 12655^2 + 1989^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41026285 + ... + 41026288.

Almost surely, 2^164105146 is an apocalyptic number.

164105146 is a deficient number, since it is larger than the sum of its proper divisors (82052576).

164105146 is an equidigital number, since it uses as much as digits as its factorization.

164105146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82052575.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 164105146 is about 12810.3530786626. The cubic root of 164105146 is about 547.4873217667.

The spelling of 164105146 in words is "one hundred sixty-four million, one hundred five thousand, one hundred forty-six".