100543680 has 196 divisors, whose sum is σ = 359798112. Its totient is φ = 26749440.

The previous prime is 100543673. The next prime is 100543697. The reversal of 100543680 is 86345001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 233065 + ... + 233495.

Almost surely, 2^100543680 is an apocalyptic number.

100543680 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 100543680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179899056).

100543680 is an abundant number, since it is smaller than the sum of its proper divisors (259254432).

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

100543680 is an frugal number, since it uses more digits than its factorization.

100543680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 100543680 is about 10027.1471516080. The cubic root of 100543680 is about 464.9985431796.

Adding to 100543680 its reverse (86345001), we get a palindrome (186888681).

The spelling of 100543680 in words is "one hundred million, five hundred forty-three thousand, six hundred eighty".