100663530 has 64 divisors (see below), whose sum is σ = 265838976. Its totient is φ = 24393600.

The previous prime is 100663523. The next prime is 100663561. The reversal of 100663530 is 35366001.

It is a self number, because there is not a number n which added to its sum of digits gives 100663530.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38670 + ... + 41190.

It is an arithmetic number, because the mean of its divisors is an integer number (4153734).

Almost surely, 2^100663530 is an apocalyptic number.

100663530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100663530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132919488).

100663530 is an abundant number, since it is smaller than the sum of its proper divisors (165175446).

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

100663530 is a wasteful number, since it uses less digits than its factorization.

100663530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 100663530 is about 10033.1216478223. The cubic root of 100663530 is about 465.1832322165.

The spelling of 100663530 in words is "one hundred million, six hundred sixty-three thousand, five hundred thirty".