11164643 has 8 divisors (see below), whose sum is σ = 12821760. Its totient is φ = 9523080.

The previous prime is 11164607. The next prime is 11164651. The reversal of 11164643 is 34646111.

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

It is not a de Polignac number, because 11164643 - 2¹⁰ = 11163619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11164663) 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, 2303 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (1602720).

Almost surely, 2^11164643 is an apocalyptic number.

11164643 is a deficient number, since it is larger than the sum of its proper divisors (1657117).

11164643 is an equidigital number, since it uses as much as digits as its factorization.

11164643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7777.

The product of its digits is 1728, while the sum is 26.

The square root of 11164643 is about 3341.3534682820. The cubic root of 11164643 is about 223.5021028218.

The spelling of 11164643 in words is "eleven million, one hundred sixty-four thousand, six hundred forty-three".