106605641 has 2 divisors, whose sum is σ = 106605642. Its totient is φ = 106605640.

The previous prime is 106605607. The next prime is 106605649. The reversal of 106605641 is 146506601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106605625 + 16 = 10325^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 106605641 - 2¹⁴ = 106589257 is a prime.

It is a super-2 number, since 2×106605641² = 22729525386041762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106605649) 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, 53302820 + 53302821.

It is an arithmetic number, because the mean of its divisors is an integer number (53302821).

Almost surely, 2^106605641 is an apocalyptic number.

It is an amenable number.

106605641 is a deficient number, since it is larger than the sum of its proper divisors (1).

106605641 is an equidigital number, since it uses as much as digits as its factorization.

106605641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 106605641 is about 10325.0007748184. Note that the first 3 decimals coincide. The cubic root of 106605641 is about 474.1619809349.

The spelling of 106605641 in words is "one hundred six million, six hundred five thousand, six hundred forty-one".