10671643 has 4 divisors (see below), whose sum is σ = 10692648. Its totient is φ = 10650640.

The previous prime is 10671637. The next prime is 10671659. The reversal of 10671643 is 34617601.

10671643 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.

It is a cyclic number.

It is not a de Polignac number, because 10671643 - 2⁹ = 10671131 is a prime.

It is a super-2 number, since 2×10671643² = 227767928638898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10671613) 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, 9721 + ... + 10762.

It is an arithmetic number, because the mean of its divisors is an integer number (2673162).

Almost surely, 2^10671643 is an apocalyptic number.

10671643 is a deficient number, since it is larger than the sum of its proper divisors (21005).

10671643 is an equidigital number, since it uses as much as digits as its factorization.

10671643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21004.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 10671643 is about 3266.7480772169. The cubic root of 10671643 is about 220.1627102097.

The spelling of 10671643 in words is "ten million, six hundred seventy-one thousand, six hundred forty-three".