6802661 has 4 divisors (see below), whose sum is σ = 6816192. Its totient is φ = 6789132.

The previous prime is 6802637. The next prime is 6802667. The reversal of 6802661 is 1662086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1662086 = 2 ⋅831043.

It is a cyclic number.

It is not a de Polignac number, because 6802661 - 2¹⁰ = 6801637 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6802667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5981 + ... + 7026.

It is an arithmetic number, because the mean of its divisors is an integer number (1704048).

Almost surely, 2^6802661 is an apocalyptic number.

It is an amenable number.

6802661 is a deficient number, since it is larger than the sum of its proper divisors (13531).

6802661 is a wasteful number, since it uses less digits than its factorization.

6802661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13530.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6802661 is about 2608.1911356340. The cubic root of 6802661 is about 189.4783567710.

The spelling of 6802661 in words is "six million, eight hundred two thousand, six hundred sixty-one".