10661671 has 2 divisors, whose sum is σ = 10661672. Its totient is φ = 10661670.

The previous prime is 10661653. The next prime is 10661683. The reversal of 10661671 is 17616601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10661671 - 2⁷ = 10661543 is a prime.

It is a super-2 number, since 2×10661671² = 227342457024482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10661611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5330835 + 5330836.

It is an arithmetic number, because the mean of its divisors is an integer number (5330836).

Almost surely, 2^10661671 is an apocalyptic number.

10661671 is a deficient number, since it is larger than the sum of its proper divisors (1).

10661671 is an equidigital number, since it uses as much as digits as its factorization.

10661671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 10661671 is about 3265.2214320012. The cubic root of 10661671 is about 220.0941126269.

The spelling of 10661671 in words is "ten million, six hundred sixty-one thousand, six hundred seventy-one".