106667081 has 2 divisors, whose sum is σ = 106667082. Its totient is φ = 106667080.

The previous prime is 106667053. The next prime is 106667107. The reversal of 106667081 is 180766601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82065481 + 24601600 = 9059^2 + 4960^2 .

It is an emirp because it is prime and its reverse (180766601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106667081 - 2¹⁴ = 106650697 is a prime.

It is a super-2 number, since 2×106667081² = 22755732338121122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106661081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53333540 + 53333541.

It is an arithmetic number, because the mean of its divisors is an integer number (53333541).

Almost surely, 2^106667081 is an apocalyptic number.

It is an amenable number.

106667081 is a deficient number, since it is larger than the sum of its proper divisors (1).

106667081 is an equidigital number, since it uses as much as digits as its factorization.

106667081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 106667081 is about 10327.9756486932. The cubic root of 106667081 is about 474.2530546560.

The spelling of 106667081 in words is "one hundred six million, six hundred sixty-seven thousand, eighty-one".