106213256066 has 4 divisors (see below), whose sum is σ = 159319884102. Its totient is φ = 53106628032.

The previous prime is 106213256041. The next prime is 106213256099. The reversal of 106213256066 is 660652312601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 660652312601 = 47 ⋅14056432183.

It can be written as a sum of positive squares in only one way, i.e., 97643125441 + 8570130625 = 312479^2 + 92575^2 .

It is a super-2 number, since 2×106213256066² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26553314015 + ... + 26553314018.

Almost surely, 2^106213256066 is an apocalyptic number.

106213256066 is a deficient number, since it is larger than the sum of its proper divisors (53106628036).

106213256066 is an equidigital number, since it uses as much as digits as its factorization.

106213256066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53106628035.

The product of its (nonzero) digits is 77760, while the sum is 38.

Adding to 106213256066 its reverse (660652312601), we get a palindrome (766865568667).

The spelling of 106213256066 in words is "one hundred six billion, two hundred thirteen million, two hundred fifty-six thousand, sixty-six".