10664553 has 4 divisors (see below), whose sum is σ = 14219408. Its totient is φ = 7109700.

The previous prime is 10664519. The next prime is 10664561. The reversal of 10664553 is 35546601.

10664553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35546601 = 3 ⋅11848867.

It is not a de Polignac number, because 10664553 - 2⁹ = 10664041 is a prime.

It is a super-2 number, since 2×10664553² = 227465381379618, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10664553.

It is not an unprimeable number, because it can be changed into a prime (10664503) 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, 1777423 + ... + 1777428.

It is an arithmetic number, because the mean of its divisors is an integer number (3554852).

Almost surely, 2^10664553 is an apocalyptic number.

It is an amenable number.

10664553 is a deficient number, since it is larger than the sum of its proper divisors (3554855).

10664553 is an equidigital number, since it uses as much as digits as its factorization.

10664553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554854.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 10664553 is about 3265.6627198779. The cubic root of 10664553 is about 220.1139423542.

The spelling of 10664553 in words is "ten million, six hundred sixty-four thousand, five hundred fifty-three".