10999641 has 8 divisors (see below), whose sum is σ = 14736544. Its totient is φ = 7297920.

The previous prime is 10999631. The next prime is 10999643. The reversal of 10999641 is 14699901.

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

It is not a de Polignac number, because 10999641 - 2¹¹ = 10997593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10999641.

It is not an unprimeable number, because it can be changed into a prime (10999643) 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, 8056 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (1842068).

Almost surely, 2^10999641 is an apocalyptic number.

It is an amenable number.

10999641 is a deficient number, since it is larger than the sum of its proper divisors (3736903).

10999641 is a wasteful number, since it uses less digits than its factorization.

10999641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17591.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 10999641 is about 3316.5706686275. The cubic root of 10999641 is about 222.3955896098.

The spelling of 10999641 in words is "ten million, nine hundred ninety-nine thousand, six hundred forty-one".