164741197 has 2 divisors, whose sum is σ = 164741198. Its totient is φ = 164741196.

The previous prime is 164741189. The next prime is 164741207. The reversal of 164741197 is 791147461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140327716 + 24413481 = 11846^2 + 4941^2 .

It is a cyclic number.

It is not a de Polignac number, because 164741197 - 2³ = 164741189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164741107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82370598 + 82370599.

It is an arithmetic number, because the mean of its divisors is an integer number (82370599).

Almost surely, 2^164741197 is an apocalyptic number.

It is an amenable number.

164741197 is a deficient number, since it is larger than the sum of its proper divisors (1).

164741197 is an equidigital number, since it uses as much as digits as its factorization.

164741197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 40.

The square root of 164741197 is about 12835.1547322189. The cubic root of 164741197 is about 548.1937406589.

It can be divided in two parts, 16474 and 1197, that added together give a palindrome (17671).

The spelling of 164741197 in words is "one hundred sixty-four million, seven hundred forty-one thousand, one hundred ninety-seven".