166897341 has 40 divisors (see below), whose sum is σ = 269854200. Its totient is φ = 102187008.

The previous prime is 166897333. The next prime is 166897351. The reversal of 166897341 is 143798661.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7001316 + 159896025 = 2646^2 + 12645^2 .

It is not a de Polignac number, because 166897341 - 2³ = 166897333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166897301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 371485 + ... + 371933.

It is an arithmetic number, because the mean of its divisors is an integer number (6746355).

Almost surely, 2^166897341 is an apocalyptic number.

It is an amenable number.

166897341 is a deficient number, since it is larger than the sum of its proper divisors (102956859).

166897341 is a wasteful number, since it uses less digits than its factorization.

166897341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 818 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 166897341 is about 12918.8753767501. The cubic root of 166897341 is about 550.5749810629.

The spelling of 166897341 in words is "one hundred sixty-six million, eight hundred ninety-seven thousand, three hundred forty-one".