102666568 has 16 divisors (see below), whose sum is σ = 195212160. Its totient is φ = 50610000.

The previous prime is 102666559. The next prime is 102666569. The reversal of 102666568 is 865666201.

It is a super-4 number, since 4×102666568⁴ (a number of 33 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102666568.

It is not an unprimeable number, because it can be changed into a prime (102666569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89808 + ... + 90943.

It is an arithmetic number, because the mean of its divisors is an integer number (12200760).

Almost surely, 2^102666568 is an apocalyptic number.

It is an amenable number.

102666568 is a deficient number, since it is larger than the sum of its proper divisors (92545592).

102666568 is a wasteful number, since it uses less digits than its factorization.

102666568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180828 (or 180824 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 102666568 is about 10132.4512335367. The cubic root of 102666568 is about 468.2484496670.

The spelling of 102666568 in words is "one hundred two million, six hundred sixty-six thousand, five hundred sixty-eight".