102665828 has 12 divisors (see below), whose sum is σ = 179933040. Its totient is φ = 51256392.

The previous prime is 102665807. The next prime is 102665833. The reversal of 102665828 is 828566201.

It is a junction number, because it is equal to n+sod(n) for n = 102665791 and 102665800.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16058 + ... + 21521.

It is an arithmetic number, because the mean of its divisors is an integer number (14994420).

Almost surely, 2^102665828 is an apocalyptic number.

It is an amenable number.

102665828 is a deficient number, since it is larger than the sum of its proper divisors (77267212).

102665828 is a wasteful number, since it uses less digits than its factorization.

102665828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38266 (or 38264 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 102665828 is about 10132.4147171343. The cubic root of 102665828 is about 468.2473246507.

The spelling of 102665828 in words is "one hundred two million, six hundred sixty-five thousand, eight hundred twenty-eight".