109103680 has 112 divisors (see below), whose sum is σ = 302849280. Its totient is φ = 36661248.

The previous prime is 109103633. The next prime is 109103689. The reversal of 109103680 is 86301901.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×109103680² = 23807225979084800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (109103689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118261 + ... + 119179.

Almost surely, 2^109103680 is an apocalyptic number.

109103680 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 109103680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151424640).

109103680 is an abundant number, since it is smaller than the sum of its proper divisors (193745600).

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

109103680 is an equidigital number, since it uses as much as digits as its factorization.

109103680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 109103680 is about 10445.2707001781. The cubic root of 109103680 is about 477.8370271253.

The spelling of 109103680 in words is "one hundred nine million, one hundred three thousand, six hundred eighty".