401166341 has 2 divisors, whose sum is σ = 401166342. Its totient is φ = 401166340.

The previous prime is 401166331. The next prime is 401166347. The reversal of 401166341 is 143661104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250588900 + 150577441 = 15830^2 + 12271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401166341 is a prime.

It is a Chen prime.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 401166341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401166347) by changing a digit.

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, 200583170 + 200583171.

It is an arithmetic number, because the mean of its divisors is an integer number (200583171).

Almost surely, 2^401166341 is an apocalyptic number.

It is an amenable number.

401166341 is a deficient number, since it is larger than the sum of its proper divisors (1).

401166341 is an equidigital number, since it uses as much as digits as its factorization.

401166341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 401166341 is about 20029.1373004431. The cubic root of 401166341 is about 737.5217442981.

The spelling of 401166341 in words is "four hundred one million, one hundred sixty-six thousand, three hundred forty-one".