10668091 has 4 divisors (see below), whose sum is σ = 12192112. Its totient is φ = 9144072.

The previous prime is 10668089. The next prime is 10668103. The reversal of 10668091 is 19086601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10668091 - 2¹ = 10668089 is a prime.

It is a super-2 number, since 2×10668091² = 227616331168562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10668041) 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 3 ways as a sum of consecutive naturals, for example, 762000 + ... + 762013.

It is an arithmetic number, because the mean of its divisors is an integer number (3048028).

Almost surely, 2^10668091 is an apocalyptic number.

10668091 is a deficient number, since it is larger than the sum of its proper divisors (1524021).

10668091 is an equidigital number, since it uses as much as digits as its factorization.

10668091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524020.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 10668091 is about 3266.2043720502. The cubic root of 10668091 is about 220.1382808341.

The spelling of 10668091 in words is "ten million, six hundred sixty-eight thousand, ninety-one".