10661843 has 2 divisors, whose sum is σ = 10661844. Its totient is φ = 10661842.

The previous prime is 10661813. The next prime is 10661867. The reversal of 10661843 is 34816601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10661843 - 2¹² = 10657747 is a prime.

It is a super-2 number, since 2×10661843² = 227349792313298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10661813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5330921 + 5330922.

It is an arithmetic number, because the mean of its divisors is an integer number (5330922).

Almost surely, 2^10661843 is an apocalyptic number.

10661843 is a deficient number, since it is larger than the sum of its proper divisors (1).

10661843 is an equidigital number, since it uses as much as digits as its factorization.

10661843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 10661843 is about 3265.2477700781. The cubic root of 10661843 is about 220.0952961807.

The spelling of 10661843 in words is "ten million, six hundred sixty-one thousand, eight hundred forty-three".