106628066 has 4 divisors (see below), whose sum is σ = 159942102. Its totient is φ = 53314032.

The previous prime is 106628033. The next prime is 106628077. The reversal of 106628066 is 660826601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660826601 = 17 ⋅38872153.

It can be written as a sum of positive squares in only one way, i.e., 105657841 + 970225 = 10279^2 + 985^2 .

It is a super-2 number, since 2×106628066² = 22739088917800712, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26657015 + ... + 26657018.

Almost surely, 2^106628066 is an apocalyptic number.

106628066 is a deficient number, since it is larger than the sum of its proper divisors (53314036).

106628066 is an equidigital number, since it uses as much as digits as its factorization.

106628066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53314035.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 106628066 is about 10326.0866740503. The cubic root of 106628066 is about 474.1952260078.

The spelling of 106628066 in words is "one hundred six million, six hundred twenty-eight thousand, sixty-six".