7085661 has 16 divisors (see below), whose sum is σ = 10559808. Its totient is φ = 4188800.

The previous prime is 7085653. The next prime is 7085681. The reversal of 7085661 is 1665807.

It is not a de Polignac number, because 7085661 - 2³ = 7085653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7085681) 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 15 ways as a sum of consecutive naturals, for example, 1266 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (659988).

Almost surely, 2^7085661 is an apocalyptic number.

It is an amenable number.

7085661 is a deficient number, since it is larger than the sum of its proper divisors (3474147).

7085661 is a wasteful number, since it uses less digits than its factorization.

7085661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 7085661 is about 2661.8904936154. The cubic root of 7085661 is about 192.0702596596.

The spelling of 7085661 in words is "seven million, eighty-five thousand, six hundred sixty-one".