109664553 has 8 divisors (see below), whose sum is σ = 146320000. Its totient is φ = 73059408.

The previous prime is 109664551. The next prime is 109664557. The reversal of 109664553 is 355466901.

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

It is not a de Polignac number, because 109664553 - 2¹ = 109664551 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109664551) 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, 7153 + ... + 16446.

It is an arithmetic number, because the mean of its divisors is an integer number (18290000).

Almost surely, 2^109664553 is an apocalyptic number.

It is an amenable number.

109664553 is a deficient number, since it is larger than the sum of its proper divisors (36655447).

109664553 is a wasteful number, since it uses less digits than its factorization.

109664553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25151.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 109664553 is about 10472.0844629902. The cubic root of 109664553 is about 478.6544390434.

It can be divided in two parts, 1096645 and 53, that multiplied together give a palindrome (58122185).

The spelling of 109664553 in words is "one hundred nine million, six hundred sixty-four thousand, five hundred fifty-three".