10661197 has 4 divisors (see below), whose sum is σ = 10711936. Its totient is φ = 10610460.

The previous prime is 10661191. The next prime is 10661201. The reversal of 10661197 is 79116601.

10661197 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10661197 - 2¹⁹ = 10136909 is a prime.

It is a super-2 number, since 2×10661197² = 227322242945618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25053 + ... + 25474.

It is an arithmetic number, because the mean of its divisors is an integer number (2677984).

Almost surely, 2^10661197 is an apocalyptic number.

It is an amenable number.

10661197 is a deficient number, since it is larger than the sum of its proper divisors (50739).

10661197 is an equidigital number, since it uses as much as digits as its factorization.

10661197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50738.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 10661197 is about 3265.1488480619. The cubic root of 10661197 is about 220.0908509069.

Adding to 10661197 its reverse (79116601), we get a palindrome (89777798).

The spelling of 10661197 in words is "ten million, six hundred sixty-one thousand, one hundred ninety-seven".