164442202 has 4 divisors (see below), whose sum is σ = 246663306. Its totient is φ = 82221100.

The previous prime is 164442181. The next prime is 164442227. The reversal of 164442202 is 202244461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202244461 = 17 ⋅11896733.

It can be written as a sum of positive squares in only one way, i.e., 117094041 + 47348161 = 10821^2 + 6881^2 .

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, 41110549 + ... + 41110552.

Almost surely, 2^164442202 is an apocalyptic number.

164442202 is a deficient number, since it is larger than the sum of its proper divisors (82221104).

164442202 is an equidigital number, since it uses as much as digits as its factorization.

164442202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82221103.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 164442202 is about 12823.5019397979. The cubic root of 164442202 is about 547.8618939987.

Adding to 164442202 its reverse (202244461), we get a palindrome (366686663).

The spelling of 164442202 in words is "one hundred sixty-four million, four hundred forty-two thousand, two hundred two".