106666264066 has 4 divisors (see below), whose sum is σ = 159999396102. Its totient is φ = 53333132032.

The previous prime is 106666264063. The next prime is 106666264093. The reversal of 106666264066 is 660462666601.

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., 82409759041 + 24256505025 = 287071^2 + 155745^2 .

It is a super-2 number, since 2×106666264066² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106666264063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26666566015 + ... + 26666566018.

Almost surely, 2^106666264066 is an apocalyptic number.

106666264066 is a deficient number, since it is larger than the sum of its proper divisors (53333132036).

106666264066 is an equidigital number, since it uses as much as digits as its factorization.

106666264066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53333132035.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 106666264066 in words is "one hundred six billion, six hundred sixty-six million, two hundred sixty-four thousand, sixty-six".