164117026 has 4 divisors (see below), whose sum is σ = 246175542. Its totient is φ = 82058512.

The previous prime is 164117017. The next prime is 164117027. The reversal of 164117026 is 620711461.

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

It can be written as a sum of positive squares in only one way, i.e., 103042801 + 61074225 = 10151^2 + 7815^2 .

It is a junction number, because it is equal to n+sod(n) for n = 164116985 and 164117003.

It is not an unprimeable number, because it can be changed into a prime (164117027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41029255 + ... + 41029258.

Almost surely, 2^164117026 is an apocalyptic number.

164117026 is a deficient number, since it is larger than the sum of its proper divisors (82058516).

164117026 is an equidigital number, since it uses as much as digits as its factorization.

164117026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82058515.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 164117026 is about 12810.8167577247. The cubic root of 164117026 is about 547.5005327935.

Adding to 164117026 its reverse (620711461), we get a palindrome (784828487).

The spelling of 164117026 in words is "one hundred sixty-four million, one hundred seventeen thousand, twenty-six".