109662720 has 160 divisors (see below), whose sum is σ = 356495040. Its totient is φ = 28753920.

The previous prime is 109662713. The next prime is 109662803. The reversal of 109662720 is 27266901.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837055 + ... + 837185.

It is an arithmetic number, because the mean of its divisors is an integer number (2228094).

Almost surely, 2^109662720 is an apocalyptic number.

109662720 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 109662720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178247520).

109662720 is an abundant number, since it is smaller than the sum of its proper divisors (246832320).

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

109662720 is a wasteful number, since it uses less digits than its factorization.

109662720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 109662720 is about 10471.9969442318. The cubic root of 109662720 is about 478.6517721881.

The spelling of 109662720 in words is "one hundred nine million, six hundred sixty-two thousand, seven hundred twenty".