106081643 has 2 divisors, whose sum is σ = 106081644. Its totient is φ = 106081642.

The previous prime is 106081631. The next prime is 106081663. The reversal of 106081643 is 346180601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106081643 - 2¹⁸ = 105819499 is a prime.

It is a super-2 number, since 2×106081643² = 22506629963158898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106081663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53040821 + 53040822.

It is an arithmetic number, because the mean of its divisors is an integer number (53040822).

Almost surely, 2^106081643 is an apocalyptic number.

106081643 is a deficient number, since it is larger than the sum of its proper divisors (1).

106081643 is an equidigital number, since it uses as much as digits as its factorization.

106081643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 106081643 is about 10299.5943123989. The cubic root of 106081643 is about 473.3838228339.

The spelling of 106081643 in words is "one hundred six million, eighty-one thousand, six hundred forty-three".