100663836 has 108 divisors (see below), whose sum is σ = 296156952. Its totient is φ = 26522496.

The previous prime is 100663819. The next prime is 100663841. The reversal of 100663836 is 638366001.

It is a junction number, because it is equal to n+sod(n) for n = 100663797 and 100663806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 98866 + ... + 99878.

It is an arithmetic number, because the mean of its divisors is an integer number (2742194).

Almost surely, 2^100663836 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 100663836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148078476).

100663836 is an abundant number, since it is smaller than the sum of its proper divisors (195493116).

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

100663836 is a wasteful number, since it uses less digits than its factorization.

100663836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 100663836 is about 10033.1368973019. The cubic root of 100663836 is about 465.1837035753.

The spelling of 100663836 in words is "one hundred million, six hundred sixty-three thousand, eight hundred thirty-six".