6661094 has 16 divisors (see below), whose sum is σ = 11252736. Its totient is φ = 2929800.

The previous prime is 6661091. The next prime is 6661103. The reversal of 6661094 is 4901666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6661094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6661091) 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 in 7 ways as a sum of consecutive naturals, for example, 4202 + ... + 5565.

It is an arithmetic number, because the mean of its divisors is an integer number (703296).

Almost surely, 2^6661094 is an apocalyptic number.

6661094 is a deficient number, since it is larger than the sum of its proper divisors (4591642).

6661094 is a wasteful number, since it uses less digits than its factorization.

6661094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 6661094 is about 2580.9095296039. The cubic root of 6661094 is about 188.1547503566.

The spelling of 6661094 in words is "six million, six hundred sixty-one thousand, ninety-four".