109824661 has 8 divisors (see below), whose sum is σ = 114539264. Its totient is φ = 105183360.

The previous prime is 109824619. The next prime is 109824667. The reversal of 109824661 is 166428901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109824661 - 2¹¹ = 109822613 is a prime.

It is a super-2 number, since 2×109824661² = 24122912327529842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109824661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109824667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15255 + ... + 21268.

It is an arithmetic number, because the mean of its divisors is an integer number (14317408).

Almost surely, 2^109824661 is an apocalyptic number.

It is an amenable number.

109824661 is a deficient number, since it is larger than the sum of its proper divisors (4714603).

109824661 is an equidigital number, since it uses as much as digits as its factorization.

109824661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36651.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 109824661 is about 10479.7261891712. The cubic root of 109824661 is about 478.8872676624.

The spelling of 109824661 in words is "one hundred nine million, eight hundred twenty-four thousand, six hundred sixty-one".