106690543 has 2 divisors, whose sum is σ = 106690544. Its totient is φ = 106690542.

The previous prime is 106690523. The next prime is 106690547. The reversal of 106690543 is 345096601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106690543 - 2¹⁷ = 106559471 is a prime.

It is a super-3 number, since 3×106690543³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 106690499 and 106690508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106690547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53345271 + 53345272.

It is an arithmetic number, because the mean of its divisors is an integer number (53345272).

Almost surely, 2^106690543 is an apocalyptic number.

106690543 is a deficient number, since it is larger than the sum of its proper divisors (1).

106690543 is an equidigital number, since it uses as much as digits as its factorization.

106690543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 106690543 is about 10329.1114332260. Note that the first 3 decimals coincide. The cubic root of 106690543 is about 474.2878236130.

The spelling of 106690543 in words is "one hundred six million, six hundred ninety thousand, five hundred forty-three".