106088806666 has 4 divisors (see below), whose sum is σ = 159133210002. Its totient is φ = 53044403332.

The previous prime is 106088806651. The next prime is 106088806679. The reversal of 106088806666 is 666608880601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 82762659225 + 23326147441 = 287685^2 + 152729^2 .

It is a super-2 number, since 2×106088806666² (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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26522201665 + ... + 26522201668.

Almost surely, 2^106088806666 is an apocalyptic number.

106088806666 is a deficient number, since it is larger than the sum of its proper divisors (53044403336).

106088806666 is an equidigital number, since it uses as much as digits as its factorization.

106088806666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53044403335.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 106088806666 in words is "one hundred six billion, eighty-eight million, eight hundred six thousand, six hundred sixty-six".