102665668 has 24 divisors (see below), whose sum is σ = 205587200. Its totient is φ = 43944768.

The previous prime is 102665663. The next prime is 102665671. The reversal of 102665668 is 866566201.

It is a self number, because there is not a number n which added to its sum of digits gives 102665668.

It is not an unprimeable number, because it can be changed into a prime (102665663) 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 in 7 ways as a sum of consecutive naturals, for example, 27328 + ... + 30856.

Almost surely, 2^102665668 is an apocalyptic number.

It is an amenable number.

102665668 is an abundant number, since it is smaller than the sum of its proper divisors (102921532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102665668 is a wasteful number, since it uses less digits than its factorization.

102665668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4579 (or 4577 counting only the distinct ones).

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

The square root of 102665668 is about 10132.4068216786. The cubic root of 102665668 is about 468.2470814033.

The spelling of 102665668 in words is "one hundred two million, six hundred sixty-five thousand, six hundred sixty-eight".