6140661 has 8 divisors (see below), whose sum is σ = 8326560. Its totient is φ = 4024272.

The previous prime is 6140657. The next prime is 6140671. The reversal of 6140661 is 1660416.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6140661 - 2² = 6140657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17170 + ... + 17523.

It is an arithmetic number, because the mean of its divisors is an integer number (1040820).

Almost surely, 2^6140661 is an apocalyptic number.

It is an amenable number.

6140661 is a deficient number, since it is larger than the sum of its proper divisors (2185899).

6140661 is a wasteful number, since it uses less digits than its factorization.

6140661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34755.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 6140661 is about 2478.0357140284. The cubic root of 6140661 is about 183.1210939694.

The spelling of 6140661 in words is "six million, one hundred forty thousand, six hundred sixty-one".