10662191 has 2 divisors, whose sum is σ = 10662192. Its totient is φ = 10662190.

The previous prime is 10662187. The next prime is 10662199. The reversal of 10662191 is 19126601.

10662191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10662191 - 2² = 10662187 is a prime.

It is a super-2 number, since 2×10662191² = 227364633840962, which contains 22 as substring.

It is a Chen prime.

It is equal to p₇₀₅₆₃₅ and since 10662191 and 705635 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10662191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10662199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5331095 + 5331096.

It is an arithmetic number, because the mean of its divisors is an integer number (5331096).

Almost surely, 2^10662191 is an apocalyptic number.

10662191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10662191 is an equidigital number, since it uses as much as digits as its factorization.

10662191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 10662191 is about 3265.3010580956. The cubic root of 10662191 is about 220.0976907739.

Adding to 10662191 its reverse (19126601), we get a palindrome (29788792).

The spelling of 10662191 in words is "ten million, six hundred sixty-two thousand, one hundred ninety-one".