6661795 has 12 divisors (see below), whose sum is σ = 9299664. Its totient is φ = 4567920.

The previous prime is 6661783. The next prime is 6661849. The reversal of 6661795 is 5971666.

It is a de Polignac number, because none of the positive numbers 2^k-6661795 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13351 + ... + 13840.

It is an arithmetic number, because the mean of its divisors is an integer number (774972).

Almost surely, 2^6661795 is an apocalyptic number.

6661795 is a deficient number, since it is larger than the sum of its proper divisors (2637869).

6661795 is a wasteful number, since it uses less digits than its factorization.

6661795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27210 (or 27203 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 6661795 is about 2581.0453308689. The cubic root of 6661795 is about 188.1613504663.

The spelling of 6661795 in words is "six million, six hundred sixty-one thousand, seven hundred ninety-five".