109664533 has 4 divisors (see below), whose sum is σ = 119634048. Its totient is φ = 99695020.

The previous prime is 109664459. The next prime is 109664537. The reversal of 109664533 is 335466901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109664533 - 2⁹ = 109664021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109664492 and 109664501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109664537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4984741 + ... + 4984762.

It is an arithmetic number, because the mean of its divisors is an integer number (29908512).

Almost surely, 2^109664533 is an apocalyptic number.

It is an amenable number.

109664533 is a deficient number, since it is larger than the sum of its proper divisors (9969515).

109664533 is an equidigital number, since it uses as much as digits as its factorization.

109664533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969514.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 109664533 is about 10472.0835080704. The cubic root of 109664533 is about 478.6544099453.

The spelling of 109664533 in words is "one hundred nine million, six hundred sixty-four thousand, five hundred thirty-three".