106666583 has 2 divisors, whose sum is σ = 106666584. Its totient is φ = 106666582.

The previous prime is 106666541. The next prime is 106666591. The reversal of 106666583 is 385666601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106666583 - 2⁸ = 106666327 is a prime.

It is a super-2 number, since 2×106666583² = 22755519857791778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106666583.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106666283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53333291 + 53333292.

It is an arithmetic number, because the mean of its divisors is an integer number (53333292).

Almost surely, 2^106666583 is an apocalyptic number.

106666583 is a deficient number, since it is larger than the sum of its proper divisors (1).

106666583 is an equidigital number, since it uses as much as digits as its factorization.

106666583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 106666583 is about 10327.9515393906. The cubic root of 106666583 is about 474.2523166014.

The spelling of 106666583 in words is "one hundred six million, six hundred sixty-six thousand, five hundred eighty-three".