6071661 has 12 divisors (see below), whose sum is σ = 8828092. Its totient is φ = 4021056.

The previous prime is 6071657. The next prime is 6071671. The reversal of 6071661 is 1661706.

It can be written as a sum of positive squares in 2 ways, for example, as 2499561 + 3572100 = 1581^2 + 1890^2 .

It is not a de Polignac number, because 6071661 - 2² = 6071657 is a prime.

It is a super-3 number, since 3×6071661³ (a number of 21 digits) contains 333 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 (6071641) 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 11 ways as a sum of consecutive naturals, for example, 736 + ... + 3561.

Almost surely, 2^6071661 is an apocalyptic number.

It is an amenable number.

6071661 is a deficient number, since it is larger than the sum of its proper divisors (2756431).

6071661 is a wasteful number, since it uses less digits than its factorization.

6071661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460 (or 4457 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 6071661 is about 2464.0740654453. The cubic root of 6071661 is about 182.4326241564.

The spelling of 6071661 in words is "six million, seventy-one thousand, six hundred sixty-one".