10661193 has 16 divisors (see below), whose sum is σ = 16724160. Its totient is φ = 6689088.

The previous prime is 10661191. The next prime is 10661201. The reversal of 10661193 is 39116601.

It is not a de Polignac number, because 10661193 - 2¹ = 10661191 is a prime.

It is a super-2 number, since 2×10661193² = 227322072366498, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11155 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (1045260).

Almost surely, 2^10661193 is an apocalyptic number.

It is an amenable number.

10661193 is a deficient number, since it is larger than the sum of its proper divisors (6062967).

10661193 is a wasteful number, since it uses less digits than its factorization.

10661193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23253 (or 23247 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10661193 is about 3265.1482355323. The cubic root of 10661193 is about 220.0908233814.

Adding to 10661193 its reverse (39116601), we get a palindrome (49777794).

The spelling of 10661193 in words is "ten million, six hundred sixty-one thousand, one hundred ninety-three".