100566034500 has 96 divisors (see below), whose sum is σ = 293241521664. Its totient is φ = 26781600000.

The previous prime is 100566034483. The next prime is 100566034507. The reversal of 100566034500 is 5430665001.

It is a super-2 number, since 2×100566034500² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (100566034507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1081864 + ... + 1171136.

It is an arithmetic number, because the mean of its divisors is an integer number (3054599184).

Almost surely, 2^100566034500 is an apocalyptic number.

100566034500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100566034500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146620760832).

100566034500 is an abundant number, since it is smaller than the sum of its proper divisors (192675487164).

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

100566034500 is a wasteful number, since it uses less digits than its factorization.

100566034500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90046 (or 90034 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 100566034500 its reverse (5430665001), we get a palindrome (105996699501).

The spelling of 100566034500 in words is "one hundred billion, five hundred sixty-six million, thirty-four thousand, five hundred".