102663808 has 64 divisors (see below), whose sum is σ = 222768000. Its totient is φ = 46844928.

The previous prime is 102663787. The next prime is 102663817. The reversal of 102663808 is 808366201.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171093 + ... + 171691.

It is an arithmetic number, because the mean of its divisors is an integer number (3480750).

Almost surely, 2^102663808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102663808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111384000).

102663808 is an abundant number, since it is smaller than the sum of its proper divisors (120104192).

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

102663808 is a wasteful number, since it uses less digits than its factorization.

102663808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 102663808 is about 10132.3150365551. The cubic root of 102663808 is about 468.2442536328.

The spelling of 102663808 in words is "one hundred two million, six hundred sixty-three thousand, eight hundred eight".