109396656 has 140 divisors (see below), whose sum is σ = 324463608. Its totient is φ = 35707392.

The previous prime is 109396627. The next prime is 109396663. The reversal of 109396656 is 656693901.

It is a congruent number.

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, 968056 + ... + 968168.

Almost surely, 2^109396656 is an apocalyptic number.

109396656 is a gapful number since it is divisible by the number (16) 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 109396656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162231804).

109396656 is an abundant number, since it is smaller than the sum of its proper divisors (215066952).

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

109396656 is an equidigital number, since it uses as much as digits as its factorization.

109396656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 109396656 is about 10459.2856352621. The cubic root of 109396656 is about 478.2643566103.

The spelling of 109396656 in words is "one hundred nine million, three hundred ninety-six thousand, six hundred fifty-six".