106662211 has 4 divisors (see below), whose sum is σ = 106685424. Its totient is φ = 106639000.

The previous prime is 106662187. The next prime is 106662239. The reversal of 106662211 is 112266601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112266601 = 103 ⋅1089967.

It is a cyclic number.

It is not a de Polignac number, because 106662211 - 2¹⁹ = 106137923 is a prime.

It is a super-2 number, since 2×106662211² = 22753654510817042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106662911) 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 in 3 ways as a sum of consecutive naturals, for example, 2140 + ... + 14761.

It is an arithmetic number, because the mean of its divisors is an integer number (26671356).

Almost surely, 2^106662211 is an apocalyptic number.

106662211 is a deficient number, since it is larger than the sum of its proper divisors (23213).

106662211 is an equidigital number, since it uses as much as digits as its factorization.

106662211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23212.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 106662211 is about 10327.7398785988. The cubic root of 106662211 is about 474.2458370355.

The spelling of 106662211 in words is "one hundred six million, six hundred sixty-two thousand, two hundred eleven".