6791660 has 12 divisors (see below), whose sum is σ = 14262528. Its totient is φ = 2716656.

The previous prime is 6791623. The next prime is 6791677. The reversal of 6791660 is 661976.

It is a happy number.

It is a super-2 number, since 2×6791660² = 92253291111200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6791660.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 169772 + ... + 169811.

It is an arithmetic number, because the mean of its divisors is an integer number (1188544).

Almost surely, 2^6791660 is an apocalyptic number.

It is an amenable number.

6791660 is an abundant number, since it is smaller than the sum of its proper divisors (7470868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6791660 is a wasteful number, since it uses less digits than its factorization.

6791660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339592 (or 339590 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 6791660 is about 2606.0813494594. The cubic root of 6791660 is about 189.3761626421.

It can be divided in two parts, 67916 and 60, that added together give a palindrome (67976).

The spelling of 6791660 in words is "six million, seven hundred ninety-one thousand, six hundred sixty".