102666008 has 8 divisors (see below), whose sum is σ = 192498780. Its totient is φ = 51333000.

The previous prime is 102666007. The next prime is 102666013. The reversal of 102666008 is 800666201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102666007) 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 as a sum of consecutive naturals, namely, 6416618 + ... + 6416633.

Almost surely, 2^102666008 is an apocalyptic number.

It is an amenable number.

102666008 is a deficient number, since it is larger than the sum of its proper divisors (89832772).

102666008 is a wasteful number, since it uses less digits than its factorization.

102666008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833257 (or 12833253 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 102666008 is about 10132.4235995146. The cubic root of 102666008 is about 468.2475983039.

The spelling of 102666008 in words is "one hundred two million, six hundred sixty-six thousand, eight".