103664653 has 4 divisors (see below), whose sum is σ = 103738428. Its totient is φ = 103590880.

The previous prime is 103664641. The next prime is 103664663. The reversal of 103664653 is 356466301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356466301 = 1723 ⋅206887.

It can be written as a sum of positive squares in 2 ways, for example, as 89056969 + 14607684 = 9437^2 + 3822^2 .

It is a cyclic number.

It is not a de Polignac number, because 103664653 - 2⁵ = 103664621 is a prime.

It is a super-2 number, since 2×103664653² = 21492720563220818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103664633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34738 + ... + 37603.

It is an arithmetic number, because the mean of its divisors is an integer number (25934607).

Almost surely, 2^103664653 is an apocalyptic number.

It is an amenable number.

103664653 is a deficient number, since it is larger than the sum of its proper divisors (73775).

103664653 is an equidigital number, since it uses as much as digits as its factorization.

103664653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73774.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 103664653 is about 10181.5840123234. The cubic root of 103664653 is about 469.7609362156.

It can be divided in two parts, 10 and 3664653, that added together give a palindrome (3664663).

The spelling of 103664653 in words is "one hundred three million, six hundred sixty-four thousand, six hundred fifty-three".