109660992 has 112 divisors (see below), whose sum is σ = 334548480. Its totient is φ = 31053312.

The previous prime is 109660973. The next prime is 109661003. The reversal of 109660992 is 299066901.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 186523 + ... + 187109.

It is an arithmetic number, because the mean of its divisors is an integer number (2987040).

Almost surely, 2^109660992 is an apocalyptic number.

109660992 is a gapful number since it is divisible by the number (12) 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 109660992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167274240).

109660992 is an abundant number, since it is smaller than the sum of its proper divisors (224887488).

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

109660992 is a wasteful number, since it uses less digits than its factorization.

109660992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 109660992 is about 10471.9144381531. The cubic root of 109660992 is about 478.6492580715.

The spelling of 109660992 in words is "one hundred nine million, six hundred sixty thousand, nine hundred ninety-two".